20807479320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{653}}^1\times {\mathrm{2027}}^1$

素因数の和:2825

約数の個数: 128

約数和(自身を含む): 63026346240

約数和(自身を除く): 42218866920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 131, 262, 393, 524, 653, 655, 786, 1048, 1306, 1310, 1572, 1959, 1965, 2027, 2612, 2620, 3144, 3265, 3918, 3930, 4054, 5224, 5240, 6081, 6530, 7836, 7860, 8108, 9795, 10135, 12162, 13060, 15672, 15720, 16216, 19590, 20270, 24324, 26120, 30405, 39180, 40540, 48648, 60810, 78360, 81080, 85543, 121620, 171086, 243240, 256629, 265537, 342172, 427715, 513258, 531074, 684344, 796611, 855430, 1026516, 1062148, 1283145, 1323631, 1327685, 1593222, 1710860, 2053032, 2124296, 2566290, 2647262, 2655370, 3186444, 3421720, 3970893, 3983055, 5132580, 5294524, 5310740, 6372888, 6618155, 7941786, 7966110, 10265160, 10589048, 10621480, 13236310, 15883572, 15932220, 19854465, 26472620, 31767144, 31864440, 39708930, 52945240, 79417860, 158835720, 173395661, 346791322, 520186983, 693582644, 866978305, 1040373966, 1387165288, 1733956610, 2080747932, 2600934915, 3467913220, 4161495864, 5201869830, 6935826440, 10403739660, 20807479320]

約数ペア:

[(1, 20807479320), (2, 10403739660), (3, 6935826440), (4, 5201869830), (5, 4161495864), (6, 3467913220), (8, 2600934915), (10, 2080747932), (12, 1733956610), (15, 1387165288), (20, 1040373966), (24, 866978305), (30, 693582644), (40, 520186983), (60, 346791322), (120, 173395661), (131, 158835720), (262, 79417860), (393, 52945240), (524, 39708930), (653, 31864440), (655, 31767144), (786, 26472620), (1048, 19854465), (1306, 15932220), (1310, 15883572), (1572, 13236310), (1959, 10621480), (1965, 10589048), (2027, 10265160), (2612, 7966110), (2620, 7941786), (3144, 6618155), (3265, 6372888), (3918, 5310740), (3930, 5294524), (4054, 5132580), (5224, 3983055), (5240, 3970893), (6081, 3421720), (6530, 3186444), (7836, 2655370), (7860, 2647262), (8108, 2566290), (9795, 2124296), (10135, 2053032), (12162, 1710860), (13060, 1593222), (15672, 1327685), (15720, 1323631), (16216, 1283145), (19590, 1062148), (20270, 1026516), (24324, 855430), (26120, 796611), (30405, 684344), (39180, 531074), (40540, 513258), (48648, 427715), (60810, 342172), (78360, 265537), (81080, 256629), (85543, 243240), (121620, 171086)]