20329850

素因数分解:

$2^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{211}}^1$

素因数の和:311

約数の個数: 48

約数和(自身を含む): 39747456

約数和(自身を除く): 19417606

約数列:

[1, 2, 5, 10, 25, 41, 47, 50, 82, 94, 205, 211, 235, 410, 422, 470, 1025, 1055, 1175, 1927, 2050, 2110, 2350, 3854, 5275, 8651, 9635, 9917, 10550, 17302, 19270, 19834, 43255, 48175, 49585, 86510, 96350, 99170, 216275, 247925, 406597, 432550, 495850, 813194, 2032985, 4065970, 10164925, 20329850]

約数ペア:

[(1, 20329850), (2, 10164925), (5, 4065970), (10, 2032985), (25, 813194), (41, 495850), (47, 432550), (50, 406597), (82, 247925), (94, 216275), (205, 99170), (211, 96350), (235, 86510), (410, 49585), (422, 48175), (470, 43255), (1025, 19834), (1055, 19270), (1175, 17302), (1927, 10550), (2050, 9917), (2110, 9635), (2350, 8651), (3854, 5275)]