20052760

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{787}}^1$

素因数の和:825

約数の個数: 96

約数和(自身を含む): 56594160

約数和(自身を除く): 36541400

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 49, 52, 56, 65, 70, 91, 98, 104, 130, 140, 182, 196, 245, 260, 280, 364, 392, 455, 490, 520, 637, 728, 787, 910, 980, 1274, 1574, 1820, 1960, 2548, 3148, 3185, 3640, 3935, 5096, 5509, 6296, 6370, 7870, 10231, 11018, 12740, 15740, 20462, 22036, 25480, 27545, 31480, 38563, 40924, 44072, 51155, 55090, 71617, 77126, 81848, 102310, 110180, 143234, 154252, 192815, 204620, 220360, 286468, 308504, 358085, 385630, 409240, 501319, 572936, 716170, 771260, 1002638, 1432340, 1542520, 2005276, 2506595, 2864680, 4010552, 5013190, 10026380, 20052760]

約数ペア:

[(1, 20052760), (2, 10026380), (4, 5013190), (5, 4010552), (7, 2864680), (8, 2506595), (10, 2005276), (13, 1542520), (14, 1432340), (20, 1002638), (26, 771260), (28, 716170), (35, 572936), (40, 501319), (49, 409240), (52, 385630), (56, 358085), (65, 308504), (70, 286468), (91, 220360), (98, 204620), (104, 192815), (130, 154252), (140, 143234), (182, 110180), (196, 102310), (245, 81848), (260, 77126), (280, 71617), (364, 55090), (392, 51155), (455, 44072), (490, 40924), (520, 38563), (637, 31480), (728, 27545), (787, 25480), (910, 22036), (980, 20462), (1274, 15740), (1574, 12740), (1820, 11018), (1960, 10231), (2548, 7870), (3148, 6370), (3185, 6296), (3640, 5509), (3935, 5096)]