20151801890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{487}}^1\times {\mathrm{3329}}^1$

素因数の和:3947

約数の個数: 64

約数和(自身を含む): 40014984960

約数和(自身を除く): 19863183070

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 113, 226, 487, 565, 974, 1130, 1243, 2435, 2486, 3329, 4870, 5357, 6215, 6658, 10714, 12430, 16645, 26785, 33290, 36619, 53570, 55031, 73238, 110062, 183095, 275155, 366190, 376177, 550310, 605341, 752354, 1210682, 1621223, 1880885, 3026705, 3242446, 3761770, 4137947, 6053410, 8106115, 8275894, 16212230, 17833453, 20689735, 35666906, 41379470, 89167265, 178334530, 183198199, 366396398, 915990995, 1831981990, 2015180189, 4030360378, 10075900945, 20151801890]

約数ペア:

[(1, 20151801890), (2, 10075900945), (5, 4030360378), (10, 2015180189), (11, 1831981990), (22, 915990995), (55, 366396398), (110, 183198199), (113, 178334530), (226, 89167265), (487, 41379470), (565, 35666906), (974, 20689735), (1130, 17833453), (1243, 16212230), (2435, 8275894), (2486, 8106115), (3329, 6053410), (4870, 4137947), (5357, 3761770), (6215, 3242446), (6658, 3026705), (10714, 1880885), (12430, 1621223), (16645, 1210682), (26785, 752354), (33290, 605341), (36619, 550310), (53570, 376177), (55031, 366190), (73238, 275155), (110062, 183095)]