20348250

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{2087}}^1$

素因数の和:2120

約数の個数: 64

約数和(自身を含む): 54722304

約数和(自身を除く): 34374054

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 125, 130, 150, 195, 250, 325, 375, 390, 650, 750, 975, 1625, 1950, 2087, 3250, 4174, 4875, 6261, 9750, 10435, 12522, 20870, 27131, 31305, 52175, 54262, 62610, 81393, 104350, 135655, 156525, 162786, 260875, 271310, 313050, 406965, 521750, 678275, 782625, 813930, 1356550, 1565250, 2034825, 3391375, 4069650, 6782750, 10174125, 20348250]

約数ペア:

[(1, 20348250), (2, 10174125), (3, 6782750), (5, 4069650), (6, 3391375), (10, 2034825), (13, 1565250), (15, 1356550), (25, 813930), (26, 782625), (30, 678275), (39, 521750), (50, 406965), (65, 313050), (75, 271310), (78, 260875), (125, 162786), (130, 156525), (150, 135655), (195, 104350), (250, 81393), (325, 62610), (375, 54262), (390, 52175), (650, 31305), (750, 27131), (975, 20870), (1625, 12522), (1950, 10435), (2087, 9750), (3250, 6261), (4174, 4875)]