20149286960

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{95803}}^1$

素因数の和:96066

約数の個数: 80

約数和(自身を含む): 51320286720

約数和(自身を除く): 31170999760

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 239, 440, 478, 880, 956, 1195, 1912, 2390, 2629, 3824, 4780, 5258, 9560, 10516, 13145, 19120, 21032, 26290, 42064, 52580, 95803, 105160, 191606, 210320, 383212, 479015, 766424, 958030, 1053833, 1532848, 1916060, 2107666, 3832120, 4215332, 5269165, 7664240, 8430664, 10538330, 16861328, 21076660, 22896917, 42153320, 45793834, 84306640, 91587668, 114484585, 183175336, 228969170, 251866087, 366350672, 457938340, 503732174, 915876680, 1007464348, 1259330435, 1831753360, 2014928696, 2518660870, 4029857392, 5037321740, 10074643480, 20149286960]

約数ペア:

[(1, 20149286960), (2, 10074643480), (4, 5037321740), (5, 4029857392), (8, 2518660870), (10, 2014928696), (11, 1831753360), (16, 1259330435), (20, 1007464348), (22, 915876680), (40, 503732174), (44, 457938340), (55, 366350672), (80, 251866087), (88, 228969170), (110, 183175336), (176, 114484585), (220, 91587668), (239, 84306640), (440, 45793834), (478, 42153320), (880, 22896917), (956, 21076660), (1195, 16861328), (1912, 10538330), (2390, 8430664), (2629, 7664240), (3824, 5269165), (4780, 4215332), (5258, 3832120), (9560, 2107666), (10516, 1916060), (13145, 1532848), (19120, 1053833), (21032, 958030), (26290, 766424), (42064, 479015), (52580, 383212), (95803, 210320), (105160, 191606)]