20037020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{787}}^1$

素因数の和:882

約数の個数: 48

約数和(自身を含む): 45010560

約数和(自身を除く): 24973540

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 67, 76, 95, 134, 190, 268, 335, 380, 670, 787, 1273, 1340, 1574, 2546, 3148, 3935, 5092, 6365, 7870, 12730, 14953, 15740, 25460, 29906, 52729, 59812, 74765, 105458, 149530, 210916, 263645, 299060, 527290, 1001851, 1054580, 2003702, 4007404, 5009255, 10018510, 20037020]

約数ペア:

[(1, 20037020), (2, 10018510), (4, 5009255), (5, 4007404), (10, 2003702), (19, 1054580), (20, 1001851), (38, 527290), (67, 299060), (76, 263645), (95, 210916), (134, 149530), (190, 105458), (268, 74765), (335, 59812), (380, 52729), (670, 29906), (787, 25460), (1273, 15740), (1340, 14953), (1574, 12730), (2546, 7870), (3148, 6365), (3935, 5092)]