20171781664

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{251}}^1\times {\mathrm{1523}}^1$

素因数の和:1898

約数の個数: 96

約数和(自身を含む): 42680022336

約数和(自身を除く): 22508240672

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 97, 136, 194, 251, 272, 388, 502, 544, 776, 1004, 1523, 1552, 1649, 2008, 3046, 3104, 3298, 4016, 4267, 6092, 6596, 8032, 8534, 12184, 13192, 17068, 24347, 24368, 25891, 26384, 34136, 48694, 48736, 51782, 52768, 68272, 97388, 103564, 136544, 147731, 194776, 207128, 295462, 382273, 389552, 413899, 414256, 590924, 764546, 779104, 827798, 828512, 1181848, 1529092, 1655596, 2363696, 2511427, 3058184, 3311192, 4727392, 5022854, 6116368, 6498641, 6622384, 10045708, 12232736, 12997282, 13244768, 20091416, 25994564, 37080481, 40182832, 51989128, 74160962, 80365664, 103978256, 148321924, 207956512, 296643848, 593287696, 630368177, 1186575392, 1260736354, 2521472708, 5042945416, 10085890832, 20171781664]

約数ペア:

[(1, 20171781664), (2, 10085890832), (4, 5042945416), (8, 2521472708), (16, 1260736354), (17, 1186575392), (32, 630368177), (34, 593287696), (68, 296643848), (97, 207956512), (136, 148321924), (194, 103978256), (251, 80365664), (272, 74160962), (388, 51989128), (502, 40182832), (544, 37080481), (776, 25994564), (1004, 20091416), (1523, 13244768), (1552, 12997282), (1649, 12232736), (2008, 10045708), (3046, 6622384), (3104, 6498641), (3298, 6116368), (4016, 5022854), (4267, 4727392), (6092, 3311192), (6596, 3058184), (8032, 2511427), (8534, 2363696), (12184, 1655596), (13192, 1529092), (17068, 1181848), (24347, 828512), (24368, 827798), (25891, 779104), (26384, 764546), (34136, 590924), (48694, 414256), (48736, 413899), (51782, 389552), (52768, 382273), (68272, 295462), (97388, 207128), (103564, 194776), (136544, 147731)]