20627685

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{953}}^1$

素因数の和:1014

約数の個数: 48

約数和(自身を含む): 39587184

約数和(自身を除く): 18959499

約数列:

[1, 3, 5, 9, 13, 15, 37, 39, 45, 65, 111, 117, 185, 195, 333, 481, 555, 585, 953, 1443, 1665, 2405, 2859, 4329, 4765, 7215, 8577, 12389, 14295, 21645, 35261, 37167, 42885, 61945, 105783, 111501, 176305, 185835, 317349, 458393, 528915, 557505, 1375179, 1586745, 2291965, 4125537, 6875895, 20627685]

約数ペア:

[(1, 20627685), (3, 6875895), (5, 4125537), (9, 2291965), (13, 1586745), (15, 1375179), (37, 557505), (39, 528915), (45, 458393), (65, 317349), (111, 185835), (117, 176305), (185, 111501), (195, 105783), (333, 61945), (481, 42885), (555, 37167), (585, 35261), (953, 21645), (1443, 14295), (1665, 12389), (2405, 8577), (2859, 7215), (4329, 4765)]