20104421820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{211}}^1\times {\mathrm{2549}}^1$

素因数の和:2868

約数の個数: 192

約数和(自身を含む): 65390976000

約数和(自身を除く): 45286554180

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 89, 105, 140, 178, 210, 211, 267, 356, 420, 422, 445, 534, 623, 633, 844, 890, 1055, 1068, 1246, 1266, 1335, 1477, 1780, 1869, 2110, 2492, 2532, 2549, 2670, 2954, 3115, 3165, 3738, 4220, 4431, 5098, 5340, 5908, 6230, 6330, 7385, 7476, 7647, 8862, 9345, 10196, 12460, 12660, 12745, 14770, 15294, 17724, 17843, 18690, 18779, 22155, 25490, 29540, 30588, 35686, 37380, 37558, 38235, 44310, 50980, 53529, 56337, 71372, 75116, 76470, 88620, 89215, 93895, 107058, 112674, 131453, 152940, 178430, 187790, 214116, 225348, 226861, 262906, 267645, 281685, 356860, 375580, 394359, 453722, 525812, 535290, 537839, 563370, 657265, 680583, 788718, 907444, 1070580, 1075678, 1126740, 1134305, 1314530, 1361166, 1577436, 1588027, 1613517, 1971795, 2151356, 2268610, 2629060, 2689195, 2722332, 3176054, 3227034, 3402915, 3764873, 3943590, 4537220, 4764081, 5378390, 6352108, 6454068, 6805830, 7529746, 7887180, 7940135, 8067585, 9528162, 10756780, 11294619, 13611660, 15059492, 15880270, 16135170, 18824365, 19056324, 22589238, 23820405, 31760540, 32270340, 37648730, 45178476, 47640810, 47867671, 56473095, 75297460, 95281620, 95735342, 112946190, 143603013, 191470684, 225892380, 239338355, 287206026, 335073697, 478676710, 574412052, 670147394, 718015065, 957353420, 1005221091, 1340294788, 1436030130, 1675368485, 2010442182, 2872060260, 3350736970, 4020884364, 5026105455, 6701473940, 10052210910, 20104421820]

約数ペア:

[(1, 20104421820), (2, 10052210910), (3, 6701473940), (4, 5026105455), (5, 4020884364), (6, 3350736970), (7, 2872060260), (10, 2010442182), (12, 1675368485), (14, 1436030130), (15, 1340294788), (20, 1005221091), (21, 957353420), (28, 718015065), (30, 670147394), (35, 574412052), (42, 478676710), (60, 335073697), (70, 287206026), (84, 239338355), (89, 225892380), (105, 191470684), (140, 143603013), (178, 112946190), (210, 95735342), (211, 95281620), (267, 75297460), (356, 56473095), (420, 47867671), (422, 47640810), (445, 45178476), (534, 37648730), (623, 32270340), (633, 31760540), (844, 23820405), (890, 22589238), (1055, 19056324), (1068, 18824365), (1246, 16135170), (1266, 15880270), (1335, 15059492), (1477, 13611660), (1780, 11294619), (1869, 10756780), (2110, 9528162), (2492, 8067585), (2532, 7940135), (2549, 7887180), (2670, 7529746), (2954, 6805830), (3115, 6454068), (3165, 6352108), (3738, 5378390), (4220, 4764081), (4431, 4537220), (5098, 3943590), (5340, 3764873), (5908, 3402915), (6230, 3227034), (6330, 3176054), (7385, 2722332), (7476, 2689195), (7647, 2629060), (8862, 2268610), (9345, 2151356), (10196, 1971795), (12460, 1613517), (12660, 1588027), (12745, 1577436), (14770, 1361166), (15294, 1314530), (17724, 1134305), (17843, 1126740), (18690, 1075678), (18779, 1070580), (22155, 907444), (25490, 788718), (29540, 680583), (30588, 657265), (35686, 563370), (37380, 537839), (37558, 535290), (38235, 525812), (44310, 453722), (50980, 394359), (53529, 375580), (56337, 356860), (71372, 281685), (75116, 267645), (76470, 262906), (88620, 226861), (89215, 225348), (93895, 214116), (107058, 187790), (112674, 178430), (131453, 152940)]