20505750

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{1439}}^1$

素因数の和:1478

約数の個数: 64

約数和(自身を含む): 53913600

約数和(自身を除く): 33407850

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 25, 30, 38, 50, 57, 75, 95, 114, 125, 150, 190, 250, 285, 375, 475, 570, 750, 950, 1425, 1439, 2375, 2850, 2878, 4317, 4750, 7125, 7195, 8634, 14250, 14390, 21585, 27341, 35975, 43170, 54682, 71950, 82023, 107925, 136705, 164046, 179875, 215850, 273410, 359750, 410115, 539625, 683525, 820230, 1079250, 1367050, 2050575, 3417625, 4101150, 6835250, 10252875, 20505750]

約数ペア:

[(1, 20505750), (2, 10252875), (3, 6835250), (5, 4101150), (6, 3417625), (10, 2050575), (15, 1367050), (19, 1079250), (25, 820230), (30, 683525), (38, 539625), (50, 410115), (57, 359750), (75, 273410), (95, 215850), (114, 179875), (125, 164046), (150, 136705), (190, 107925), (250, 82023), (285, 71950), (375, 54682), (475, 43170), (570, 35975), (750, 27341), (950, 21585), (1425, 14390), (1439, 14250), (2375, 8634), (2850, 7195), (2878, 7125), (4317, 4750)]