2020122825

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{919}}^1$

素因数の和:1071

約数の個数: 96

約数和(自身を含む): 3942604800

約数和(自身を除く): 1922481975

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 53, 75, 79, 105, 159, 175, 237, 265, 371, 395, 525, 553, 795, 919, 1113, 1185, 1325, 1659, 1855, 1975, 2757, 2765, 3975, 4187, 4595, 5565, 5925, 6433, 8295, 9275, 12561, 13785, 13825, 19299, 20935, 22975, 27825, 29309, 32165, 41475, 48707, 62805, 68925, 72601, 87927, 96495, 104675, 146121, 146545, 160825, 217803, 243535, 314025, 340949, 363005, 439635, 482475, 508207, 730605, 732725, 1022847, 1089015, 1217675, 1524621, 1704745, 1815025, 2198175, 2541035, 3653025, 3847853, 5114235, 5445075, 7623105, 8523725, 11543559, 12705175, 19239265, 25571175, 26934971, 38115525, 57717795, 80804913, 96196325, 134674855, 288588975, 404024565, 673374275, 2020122825]

約数ペア:

[(1, 2020122825), (3, 673374275), (5, 404024565), (7, 288588975), (15, 134674855), (21, 96196325), (25, 80804913), (35, 57717795), (53, 38115525), (75, 26934971), (79, 25571175), (105, 19239265), (159, 12705175), (175, 11543559), (237, 8523725), (265, 7623105), (371, 5445075), (395, 5114235), (525, 3847853), (553, 3653025), (795, 2541035), (919, 2198175), (1113, 1815025), (1185, 1704745), (1325, 1524621), (1659, 1217675), (1855, 1089015), (1975, 1022847), (2757, 732725), (2765, 730605), (3975, 508207), (4187, 482475), (4595, 439635), (5565, 363005), (5925, 340949), (6433, 314025), (8295, 243535), (9275, 217803), (12561, 160825), (13785, 146545), (13825, 146121), (19299, 104675), (20935, 96495), (22975, 87927), (27825, 72601), (29309, 68925), (32165, 62805), (41475, 48707)]