20120287300

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{105397}}^1$

素因数の和:105517

約数の個数: 72

約数和(自身を含む): 46108673856

約数和(自身を除く): 25988386556

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 50, 83, 92, 100, 115, 166, 230, 332, 415, 460, 575, 830, 1150, 1660, 1909, 2075, 2300, 3818, 4150, 7636, 8300, 9545, 19090, 38180, 47725, 95450, 105397, 190900, 210794, 421588, 526985, 1053970, 2107940, 2424131, 2634925, 4848262, 5269850, 8747951, 9696524, 10539700, 12120655, 17495902, 24241310, 34991804, 43739755, 48482620, 60603275, 87479510, 121206550, 174959020, 201202873, 218698775, 242413100, 402405746, 437397550, 804811492, 874795100, 1006014365, 2012028730, 4024057460, 5030071825, 10060143650, 20120287300]

約数ペア:

[(1, 20120287300), (2, 10060143650), (4, 5030071825), (5, 4024057460), (10, 2012028730), (20, 1006014365), (23, 874795100), (25, 804811492), (46, 437397550), (50, 402405746), (83, 242413100), (92, 218698775), (100, 201202873), (115, 174959020), (166, 121206550), (230, 87479510), (332, 60603275), (415, 48482620), (460, 43739755), (575, 34991804), (830, 24241310), (1150, 17495902), (1660, 12120655), (1909, 10539700), (2075, 9696524), (2300, 8747951), (3818, 5269850), (4150, 4848262), (7636, 2634925), (8300, 2424131), (9545, 2107940), (19090, 1053970), (38180, 526985), (47725, 421588), (95450, 210794), (105397, 190900)]