20249460

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{487}}^1$

素因数の和:523

約数の個数: 192

約数和(自身を含む): 78704640

約数和(自身を除く): 58455180

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 27, 28, 30, 33, 35, 36, 42, 44, 45, 54, 55, 60, 63, 66, 70, 77, 84, 90, 99, 105, 108, 110, 126, 132, 135, 140, 154, 165, 180, 189, 198, 210, 220, 231, 252, 270, 297, 308, 315, 330, 378, 385, 396, 420, 462, 487, 495, 540, 594, 630, 660, 693, 756, 770, 924, 945, 974, 990, 1155, 1188, 1260, 1386, 1461, 1485, 1540, 1890, 1948, 1980, 2079, 2310, 2435, 2772, 2922, 2970, 3409, 3465, 3780, 4158, 4383, 4620, 4870, 5357, 5844, 5940, 6818, 6930, 7305, 8316, 8766, 9740, 10227, 10395, 10714, 13149, 13636, 13860, 14610, 16071, 17045, 17532, 20454, 20790, 21428, 21915, 26298, 26785, 29220, 30681, 32142, 34090, 37499, 40908, 41580, 43830, 48213, 51135, 52596, 53570, 61362, 64284, 65745, 68180, 74998, 80355, 87660, 92043, 96426, 102270, 107140, 112497, 122724, 131490, 144639, 149996, 153405, 160710, 184086, 187495, 192852, 204540, 224994, 241065, 262980, 289278, 306810, 321420, 337491, 368172, 374990, 449988, 460215, 482130, 562485, 578556, 613620, 674982, 723195, 749980, 920430, 964260, 1012473, 1124970, 1349964, 1446390, 1687455, 1840860, 2024946, 2249940, 2892780, 3374910, 4049892, 5062365, 6749820, 10124730, 20249460]

約数ペア:

[(1, 20249460), (2, 10124730), (3, 6749820), (4, 5062365), (5, 4049892), (6, 3374910), (7, 2892780), (9, 2249940), (10, 2024946), (11, 1840860), (12, 1687455), (14, 1446390), (15, 1349964), (18, 1124970), (20, 1012473), (21, 964260), (22, 920430), (27, 749980), (28, 723195), (30, 674982), (33, 613620), (35, 578556), (36, 562485), (42, 482130), (44, 460215), (45, 449988), (54, 374990), (55, 368172), (60, 337491), (63, 321420), (66, 306810), (70, 289278), (77, 262980), (84, 241065), (90, 224994), (99, 204540), (105, 192852), (108, 187495), (110, 184086), (126, 160710), (132, 153405), (135, 149996), (140, 144639), (154, 131490), (165, 122724), (180, 112497), (189, 107140), (198, 102270), (210, 96426), (220, 92043), (231, 87660), (252, 80355), (270, 74998), (297, 68180), (308, 65745), (315, 64284), (330, 61362), (378, 53570), (385, 52596), (396, 51135), (420, 48213), (462, 43830), (487, 41580), (495, 40908), (540, 37499), (594, 34090), (630, 32142), (660, 30681), (693, 29220), (756, 26785), (770, 26298), (924, 21915), (945, 21428), (974, 20790), (990, 20454), (1155, 17532), (1188, 17045), (1260, 16071), (1386, 14610), (1461, 13860), (1485, 13636), (1540, 13149), (1890, 10714), (1948, 10395), (1980, 10227), (2079, 9740), (2310, 8766), (2435, 8316), (2772, 7305), (2922, 6930), (2970, 6818), (3409, 5940), (3465, 5844), (3780, 5357), (4158, 4870), (4383, 4620)]