20186421700

素因数分解:

$2^2\times 5^2\times {\mathrm{83}}^1\times {\mathrm{113}}^1\times {\mathrm{21523}}^1$

素因数の和:21733

約数の個数: 72

約数和(自身を含む): 44726699808

約数和(自身を除く): 24540278108

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 83, 100, 113, 166, 226, 332, 415, 452, 565, 830, 1130, 1660, 2075, 2260, 2825, 4150, 5650, 8300, 9379, 11300, 18758, 21523, 37516, 43046, 46895, 86092, 93790, 107615, 187580, 215230, 234475, 430460, 468950, 538075, 937900, 1076150, 1786409, 2152300, 2432099, 3572818, 4864198, 7145636, 8932045, 9728396, 12160495, 17864090, 24320990, 35728180, 44660225, 48641980, 60802475, 89320450, 121604950, 178640900, 201864217, 243209900, 403728434, 807456868, 1009321085, 2018642170, 4037284340, 5046605425, 10093210850, 20186421700]

約数ペア:

[(1, 20186421700), (2, 10093210850), (4, 5046605425), (5, 4037284340), (10, 2018642170), (20, 1009321085), (25, 807456868), (50, 403728434), (83, 243209900), (100, 201864217), (113, 178640900), (166, 121604950), (226, 89320450), (332, 60802475), (415, 48641980), (452, 44660225), (565, 35728180), (830, 24320990), (1130, 17864090), (1660, 12160495), (2075, 9728396), (2260, 8932045), (2825, 7145636), (4150, 4864198), (5650, 3572818), (8300, 2432099), (9379, 2152300), (11300, 1786409), (18758, 1076150), (21523, 937900), (37516, 538075), (43046, 468950), (46895, 430460), (86092, 234475), (93790, 215230), (107615, 187580)]