20186952208

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{269}}^1\times {\mathrm{823}}^1$

素因数の和:1280

約数の個数: 80

約数和(自身を含む): 40553654400

約数和(自身を除く): 20366702192

約数列:

[1, 2, 4, 8, 16, 41, 82, 139, 164, 269, 278, 328, 538, 556, 656, 823, 1076, 1112, 1646, 2152, 2224, 3292, 4304, 5699, 6584, 11029, 11398, 13168, 22058, 22796, 33743, 37391, 44116, 45592, 67486, 74782, 88232, 91184, 114397, 134972, 149564, 176464, 221387, 228794, 269944, 299128, 442774, 457588, 539888, 598256, 885548, 915176, 1533031, 1771096, 1830352, 3066062, 3542192, 4690277, 6132124, 9076867, 9380554, 12264248, 18153734, 18761108, 24528496, 30772793, 36307468, 37522216, 61545586, 72614936, 75044432, 123091172, 145229872, 246182344, 492364688, 1261684513, 2523369026, 5046738052, 10093476104, 20186952208]

約数ペア:

[(1, 20186952208), (2, 10093476104), (4, 5046738052), (8, 2523369026), (16, 1261684513), (41, 492364688), (82, 246182344), (139, 145229872), (164, 123091172), (269, 75044432), (278, 72614936), (328, 61545586), (538, 37522216), (556, 36307468), (656, 30772793), (823, 24528496), (1076, 18761108), (1112, 18153734), (1646, 12264248), (2152, 9380554), (2224, 9076867), (3292, 6132124), (4304, 4690277), (5699, 3542192), (6584, 3066062), (11029, 1830352), (11398, 1771096), (13168, 1533031), (22058, 915176), (22796, 885548), (33743, 598256), (37391, 539888), (44116, 457588), (45592, 442774), (67486, 299128), (74782, 269944), (88232, 228794), (91184, 221387), (114397, 176464), (134972, 149564)]