20171655524

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{257}}^1\times {\mathrm{1579}}^1$

素因数の和:1917

約数の個数: 72

約数和(自身を含む): 38544807840

約数和(自身を除く): 18373152316

約数列:

[1, 2, 4, 17, 34, 43, 68, 86, 172, 257, 289, 514, 578, 731, 1028, 1156, 1462, 1579, 2924, 3158, 4369, 6316, 8738, 11051, 12427, 17476, 22102, 24854, 26843, 44204, 49708, 53686, 67897, 74273, 107372, 135794, 148546, 187867, 271588, 297092, 375734, 405803, 456331, 751468, 811606, 912662, 1154249, 1623212, 1825324, 2308498, 3193739, 4616996, 6387478, 6898651, 12774956, 13797302, 17449529, 19622233, 27594604, 34899058, 39244466, 69798116, 78488932, 117277067, 234554134, 296641993, 469108268, 593283986, 1186567972, 5042913881, 10085827762, 20171655524]

約数ペア:

[(1, 20171655524), (2, 10085827762), (4, 5042913881), (17, 1186567972), (34, 593283986), (43, 469108268), (68, 296641993), (86, 234554134), (172, 117277067), (257, 78488932), (289, 69798116), (514, 39244466), (578, 34899058), (731, 27594604), (1028, 19622233), (1156, 17449529), (1462, 13797302), (1579, 12774956), (2924, 6898651), (3158, 6387478), (4369, 4616996), (6316, 3193739), (8738, 2308498), (11051, 1825324), (12427, 1623212), (17476, 1154249), (22102, 912662), (24854, 811606), (26843, 751468), (44204, 456331), (49708, 405803), (53686, 375734), (67897, 297092), (74273, 271588), (107372, 187867), (135794, 148546)]