20197802040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1487}}^1\times {\mathrm{8707}}^1$

素因数の和:10221

約数の個数: 128

約数和(自身を含む): 65305820160

約数和(自身を除く): 45108018120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1487, 1560, 2974, 4461, 5948, 7435, 8707, 8922, 11896, 14870, 17414, 17844, 19331, 22305, 26121, 29740, 34828, 35688, 38662, 43535, 44610, 52242, 57993, 59480, 69656, 77324, 87070, 89220, 96655, 104484, 113191, 115986, 130605, 154648, 174140, 178440, 193310, 208968, 226382, 231972, 261210, 289965, 339573, 348280, 386620, 452764, 463944, 522420, 565955, 579930, 679146, 773240, 905528, 1044840, 1131910, 1159860, 1358292, 1697865, 2263820, 2319720, 2716584, 3395730, 4527640, 6791460, 12947309, 13582920, 25894618, 38841927, 51789236, 64736545, 77683854, 103578472, 129473090, 155367708, 168315017, 194209635, 258946180, 310735416, 336630034, 388419270, 504945051, 517892360, 673260068, 776838540, 841575085, 1009890102, 1346520136, 1553677080, 1683150170, 2019780204, 2524725255, 3366300340, 4039560408, 5049450510, 6732600680, 10098901020, 20197802040]

約数ペア:

[(1, 20197802040), (2, 10098901020), (3, 6732600680), (4, 5049450510), (5, 4039560408), (6, 3366300340), (8, 2524725255), (10, 2019780204), (12, 1683150170), (13, 1553677080), (15, 1346520136), (20, 1009890102), (24, 841575085), (26, 776838540), (30, 673260068), (39, 517892360), (40, 504945051), (52, 388419270), (60, 336630034), (65, 310735416), (78, 258946180), (104, 194209635), (120, 168315017), (130, 155367708), (156, 129473090), (195, 103578472), (260, 77683854), (312, 64736545), (390, 51789236), (520, 38841927), (780, 25894618), (1487, 13582920), (1560, 12947309), (2974, 6791460), (4461, 4527640), (5948, 3395730), (7435, 2716584), (8707, 2319720), (8922, 2263820), (11896, 1697865), (14870, 1358292), (17414, 1159860), (17844, 1131910), (19331, 1044840), (22305, 905528), (26121, 773240), (29740, 679146), (34828, 579930), (35688, 565955), (38662, 522420), (43535, 463944), (44610, 452764), (52242, 386620), (57993, 348280), (59480, 339573), (69656, 289965), (77324, 261210), (87070, 231972), (89220, 226382), (96655, 208968), (104484, 193310), (113191, 178440), (115986, 174140), (130605, 154648)]