20121207470

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{577}}^1\times {\mathrm{38321}}^1$

素因数の和:38925

約数の個数: 64

約数和(自身を含む): 44654633856

約数和(自身を除く): 24533426386

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 577, 910, 1154, 2885, 4039, 5770, 7501, 8078, 15002, 20195, 37505, 38321, 40390, 52507, 75010, 76642, 105014, 191605, 262535, 268247, 383210, 498173, 525070, 536494, 996346, 1341235, 2490865, 2682470, 3487211, 4981730, 6974422, 17436055, 22111217, 34872110, 44222434, 110556085, 154778519, 221112170, 287445821, 309557038, 574891642, 773892595, 1437229105, 1547785190, 2012120747, 2874458210, 4024241494, 10060603735, 20121207470]

約数ペア:

[(1, 20121207470), (2, 10060603735), (5, 4024241494), (7, 2874458210), (10, 2012120747), (13, 1547785190), (14, 1437229105), (26, 773892595), (35, 574891642), (65, 309557038), (70, 287445821), (91, 221112170), (130, 154778519), (182, 110556085), (455, 44222434), (577, 34872110), (910, 22111217), (1154, 17436055), (2885, 6974422), (4039, 4981730), (5770, 3487211), (7501, 2682470), (8078, 2490865), (15002, 1341235), (20195, 996346), (37505, 536494), (38321, 525070), (40390, 498173), (52507, 383210), (75010, 268247), (76642, 262535), (105014, 191605)]