20122872380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7211}}^1\times {\mathrm{10733}}^1$

素因数の和:17966

約数の個数: 48

約数和(自身を含む): 45519201504

約数和(自身を除く): 25396329124

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 7211, 10733, 14422, 21466, 28844, 36055, 42932, 53665, 72110, 93743, 107330, 139529, 144220, 187486, 214660, 279058, 374972, 468715, 558116, 697645, 937430, 1395290, 1874860, 2790580, 77395663, 154791326, 309582652, 386978315, 773956630, 1006143619, 1547913260, 2012287238, 4024574476, 5030718095, 10061436190, 20122872380]

約数ペア:

[(1, 20122872380), (2, 10061436190), (4, 5030718095), (5, 4024574476), (10, 2012287238), (13, 1547913260), (20, 1006143619), (26, 773956630), (52, 386978315), (65, 309582652), (130, 154791326), (260, 77395663), (7211, 2790580), (10733, 1874860), (14422, 1395290), (21466, 937430), (28844, 697645), (36055, 558116), (42932, 468715), (53665, 374972), (72110, 279058), (93743, 214660), (107330, 187486), (139529, 144220)]