20538754161640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{3590691287}}^1$

素因数の和:3590691322

約数の個数: 64

約数和(自身を含む): 54291252274560

約数和(自身を除く): 33752498112920

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 130, 143, 220, 260, 286, 440, 520, 572, 715, 1144, 1430, 2860, 5720, 3590691287, 7181382574, 14362765148, 17953456435, 28725530296, 35906912870, 39497604157, 46678986731, 71813825740, 78995208314, 93357973462, 143627651480, 157990416628, 186715946924, 197488020785, 233394933655, 315980833256, 373431893848, 394976041570, 466789867310, 513468854041, 789952083140, 933579734620, 1026937708082, 1579904166280, 1867159469240, 2053875416164, 2567344270205, 4107750832328, 5134688540410, 10269377080820, 20538754161640]

約数ペア:

[(1, 20538754161640), (2, 10269377080820), (4, 5134688540410), (5, 4107750832328), (8, 2567344270205), (10, 2053875416164), (11, 1867159469240), (13, 1579904166280), (20, 1026937708082), (22, 933579734620), (26, 789952083140), (40, 513468854041), (44, 466789867310), (52, 394976041570), (55, 373431893848), (65, 315980833256), (88, 233394933655), (104, 197488020785), (110, 186715946924), (130, 157990416628), (143, 143627651480), (220, 93357973462), (260, 78995208314), (286, 71813825740), (440, 46678986731), (520, 39497604157), (572, 35906912870), (715, 28725530296), (1144, 17953456435), (1430, 14362765148), (2860, 7181382574), (5720, 3590691287)]