20476020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1$

素因数の和:249

約数の個数: 96

約数和(自身を含む): 60092928

約数和(自身を除く): 39616908

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 47, 53, 60, 94, 106, 137, 141, 159, 188, 212, 235, 265, 274, 282, 318, 411, 470, 530, 548, 564, 636, 685, 705, 795, 822, 940, 1060, 1370, 1410, 1590, 1644, 2055, 2491, 2740, 2820, 3180, 4110, 4982, 6439, 7261, 7473, 8220, 9964, 12455, 12878, 14522, 14946, 19317, 21783, 24910, 25756, 29044, 29892, 32195, 36305, 37365, 38634, 43566, 49820, 64390, 72610, 74730, 77268, 87132, 96585, 108915, 128780, 145220, 149460, 193170, 217830, 341267, 386340, 435660, 682534, 1023801, 1365068, 1706335, 2047602, 3412670, 4095204, 5119005, 6825340, 10238010, 20476020]

約数ペア:

[(1, 20476020), (2, 10238010), (3, 6825340), (4, 5119005), (5, 4095204), (6, 3412670), (10, 2047602), (12, 1706335), (15, 1365068), (20, 1023801), (30, 682534), (47, 435660), (53, 386340), (60, 341267), (94, 217830), (106, 193170), (137, 149460), (141, 145220), (159, 128780), (188, 108915), (212, 96585), (235, 87132), (265, 77268), (274, 74730), (282, 72610), (318, 64390), (411, 49820), (470, 43566), (530, 38634), (548, 37365), (564, 36305), (636, 32195), (685, 29892), (705, 29044), (795, 25756), (822, 24910), (940, 21783), (1060, 19317), (1370, 14946), (1410, 14522), (1590, 12878), (1644, 12455), (2055, 9964), (2491, 8220), (2740, 7473), (2820, 7261), (3180, 6439), (4110, 4982)]