20214625900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{2081}}^1\times {\mathrm{13877}}^1$

素因数の和:15979

約数の個数: 72

約数和(自身を含む): 50159977056

約数和(自身を除く): 29945351156

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 350, 700, 2081, 4162, 8324, 10405, 13877, 14567, 20810, 27754, 29134, 41620, 52025, 55508, 58268, 69385, 72835, 97139, 104050, 138770, 145670, 194278, 208100, 277540, 291340, 346925, 364175, 388556, 485695, 693850, 728350, 971390, 1387700, 1456700, 1942780, 2428475, 4856950, 9713900, 28878037, 57756074, 115512148, 144390185, 202146259, 288780370, 404292518, 577560740, 721950925, 808585036, 1010731295, 1443901850, 2021462590, 2887803700, 4042925180, 5053656475, 10107312950, 20214625900]

約数ペア:

[(1, 20214625900), (2, 10107312950), (4, 5053656475), (5, 4042925180), (7, 2887803700), (10, 2021462590), (14, 1443901850), (20, 1010731295), (25, 808585036), (28, 721950925), (35, 577560740), (50, 404292518), (70, 288780370), (100, 202146259), (140, 144390185), (175, 115512148), (350, 57756074), (700, 28878037), (2081, 9713900), (4162, 4856950), (8324, 2428475), (10405, 1942780), (13877, 1456700), (14567, 1387700), (20810, 971390), (27754, 728350), (29134, 693850), (41620, 485695), (52025, 388556), (55508, 364175), (58268, 346925), (69385, 291340), (72835, 277540), (97139, 208100), (104050, 194278), (138770, 145670)]