20397660240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2741621}}^1$

素因数の和:2741668

約数の個数: 80

約数和(自身を含む): 65272536576

約数和(自身を除く): 44874876336

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 240, 248, 310, 372, 465, 496, 620, 744, 930, 1240, 1488, 1860, 2480, 3720, 7440, 2741621, 5483242, 8224863, 10966484, 13708105, 16449726, 21932968, 27416210, 32899452, 41124315, 43865936, 54832420, 65798904, 82248630, 84990251, 109664840, 131597808, 164497260, 169980502, 219329680, 254970753, 328994520, 339961004, 424951255, 509941506, 657989040, 679922008, 849902510, 1019883012, 1274853765, 1359844016, 1699805020, 2039766024, 2549707530, 3399610040, 4079532048, 5099415060, 6799220080, 10198830120, 20397660240]

約数ペア:

[(1, 20397660240), (2, 10198830120), (3, 6799220080), (4, 5099415060), (5, 4079532048), (6, 3399610040), (8, 2549707530), (10, 2039766024), (12, 1699805020), (15, 1359844016), (16, 1274853765), (20, 1019883012), (24, 849902510), (30, 679922008), (31, 657989040), (40, 509941506), (48, 424951255), (60, 339961004), (62, 328994520), (80, 254970753), (93, 219329680), (120, 169980502), (124, 164497260), (155, 131597808), (186, 109664840), (240, 84990251), (248, 82248630), (310, 65798904), (372, 54832420), (465, 43865936), (496, 41124315), (620, 32899452), (744, 27416210), (930, 21932968), (1240, 16449726), (1488, 13708105), (1860, 10966484), (2480, 8224863), (3720, 5483242), (7440, 2741621)]