20565245820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{211}}^1\times {\mathrm{2129}}^1$

素因数の和:2468

約数の個数: 192

約数和(自身を含む): 66758630400

約数和(自身を除く): 46193384580

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 109, 140, 210, 211, 218, 327, 420, 422, 436, 545, 633, 654, 763, 844, 1055, 1090, 1266, 1308, 1477, 1526, 1635, 2110, 2129, 2180, 2289, 2532, 2954, 3052, 3165, 3270, 3815, 4220, 4258, 4431, 4578, 5908, 6330, 6387, 6540, 7385, 7630, 8516, 8862, 9156, 10645, 11445, 12660, 12774, 14770, 14903, 15260, 17724, 21290, 22155, 22890, 22999, 25548, 29540, 29806, 31935, 42580, 44310, 44709, 45780, 45998, 59612, 63870, 68997, 74515, 88620, 89418, 91996, 114995, 127740, 137994, 149030, 160993, 178836, 223545, 229990, 232061, 275988, 298060, 321986, 344985, 447090, 449219, 459980, 464122, 482979, 643972, 689970, 696183, 804965, 894180, 898438, 928244, 965958, 1160305, 1347657, 1379940, 1392366, 1609930, 1624427, 1796876, 1931916, 2246095, 2320610, 2414895, 2695314, 2784732, 3144533, 3219860, 3248854, 3480915, 4492190, 4641220, 4829790, 4873281, 5390628, 6289066, 6497708, 6738285, 6961830, 8122135, 8984380, 9433599, 9659580, 9746562, 12578132, 13476570, 13923660, 15722665, 16244270, 18867198, 19493124, 24366405, 26953140, 31445330, 32488540, 37734396, 47167995, 48732810, 48964871, 62890660, 94335990, 97465620, 97929742, 146894613, 188671980, 195859484, 244824355, 293789226, 342754097, 489648710, 587578452, 685508194, 734473065, 979297420, 1028262291, 1371016388, 1468946130, 1713770485, 2056524582, 2937892260, 3427540970, 4113049164, 5141311455, 6855081940, 10282622910, 20565245820]

約数ペア:

[(1, 20565245820), (2, 10282622910), (3, 6855081940), (4, 5141311455), (5, 4113049164), (6, 3427540970), (7, 2937892260), (10, 2056524582), (12, 1713770485), (14, 1468946130), (15, 1371016388), (20, 1028262291), (21, 979297420), (28, 734473065), (30, 685508194), (35, 587578452), (42, 489648710), (60, 342754097), (70, 293789226), (84, 244824355), (105, 195859484), (109, 188671980), (140, 146894613), (210, 97929742), (211, 97465620), (218, 94335990), (327, 62890660), (420, 48964871), (422, 48732810), (436, 47167995), (545, 37734396), (633, 32488540), (654, 31445330), (763, 26953140), (844, 24366405), (1055, 19493124), (1090, 18867198), (1266, 16244270), (1308, 15722665), (1477, 13923660), (1526, 13476570), (1635, 12578132), (2110, 9746562), (2129, 9659580), (2180, 9433599), (2289, 8984380), (2532, 8122135), (2954, 6961830), (3052, 6738285), (3165, 6497708), (3270, 6289066), (3815, 5390628), (4220, 4873281), (4258, 4829790), (4431, 4641220), (4578, 4492190), (5908, 3480915), (6330, 3248854), (6387, 3219860), (6540, 3144533), (7385, 2784732), (7630, 2695314), (8516, 2414895), (8862, 2320610), (9156, 2246095), (10645, 1931916), (11445, 1796876), (12660, 1624427), (12774, 1609930), (14770, 1392366), (14903, 1379940), (15260, 1347657), (17724, 1160305), (21290, 965958), (22155, 928244), (22890, 898438), (22999, 894180), (25548, 804965), (29540, 696183), (29806, 689970), (31935, 643972), (42580, 482979), (44310, 464122), (44709, 459980), (45780, 449219), (45998, 447090), (59612, 344985), (63870, 321986), (68997, 298060), (74515, 275988), (88620, 232061), (89418, 229990), (91996, 223545), (114995, 178836), (127740, 160993), (137994, 149030)]