20008275

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1657}}^1$

素因数の和:1700

約数の個数: 48

約数和(自身を含む): 39473664

約数和(自身を除く): 19465389

約数列:

[1, 3, 5, 7, 15, 21, 23, 25, 35, 69, 75, 105, 115, 161, 175, 345, 483, 525, 575, 805, 1657, 1725, 2415, 4025, 4971, 8285, 11599, 12075, 24855, 34797, 38111, 41425, 57995, 114333, 124275, 173985, 190555, 266777, 289975, 571665, 800331, 869925, 952775, 1333885, 2858325, 4001655, 6669425, 20008275]

約数ペア:

[(1, 20008275), (3, 6669425), (5, 4001655), (7, 2858325), (15, 1333885), (21, 952775), (23, 869925), (25, 800331), (35, 571665), (69, 289975), (75, 266777), (105, 190555), (115, 173985), (161, 124275), (175, 114333), (345, 57995), (483, 41425), (525, 38111), (575, 34797), (805, 24855), (1657, 12075), (1725, 11599), (2415, 8285), (4025, 4971)]