20495850

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{107}}^1\times {\mathrm{1277}}^1$

素因数の和:1399

約数の個数: 48

約数和(自身を含む): 51344928

約数和(自身を除く): 30849078

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 107, 150, 214, 321, 535, 642, 1070, 1277, 1605, 2554, 2675, 3210, 3831, 5350, 6385, 7662, 8025, 12770, 16050, 19155, 31925, 38310, 63850, 95775, 136639, 191550, 273278, 409917, 683195, 819834, 1366390, 2049585, 3415975, 4099170, 6831950, 10247925, 20495850]

約数ペア:

[(1, 20495850), (2, 10247925), (3, 6831950), (5, 4099170), (6, 3415975), (10, 2049585), (15, 1366390), (25, 819834), (30, 683195), (50, 409917), (75, 273278), (107, 191550), (150, 136639), (214, 95775), (321, 63850), (535, 38310), (642, 31925), (1070, 19155), (1277, 16050), (1605, 12770), (2554, 8025), (2675, 7662), (3210, 6385), (3831, 5350)]