20612025

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{569}}^1$

素因数の和:615

約数の個数: 72

約数和(自身を含む): 44104320

約数和(自身を除く): 23492295

約数列:

[1, 3, 5, 7, 9, 15, 21, 23, 25, 35, 45, 63, 69, 75, 105, 115, 161, 175, 207, 225, 315, 345, 483, 525, 569, 575, 805, 1035, 1449, 1575, 1707, 1725, 2415, 2845, 3983, 4025, 5121, 5175, 7245, 8535, 11949, 12075, 13087, 14225, 19915, 25605, 35847, 36225, 39261, 42675, 59745, 65435, 91609, 99575, 117783, 128025, 179235, 196305, 274827, 298725, 327175, 458045, 588915, 824481, 896175, 981525, 1374135, 2290225, 2944575, 4122405, 6870675, 20612025]

約数ペア:

[(1, 20612025), (3, 6870675), (5, 4122405), (7, 2944575), (9, 2290225), (15, 1374135), (21, 981525), (23, 896175), (25, 824481), (35, 588915), (45, 458045), (63, 327175), (69, 298725), (75, 274827), (105, 196305), (115, 179235), (161, 128025), (175, 117783), (207, 99575), (225, 91609), (315, 65435), (345, 59745), (483, 42675), (525, 39261), (569, 36225), (575, 35847), (805, 25605), (1035, 19915), (1449, 14225), (1575, 13087), (1707, 12075), (1725, 11949), (2415, 8535), (2845, 7245), (3983, 5175), (4025, 5121)]