2012379820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{191}}^1\times {\mathrm{577}}^1$

素因数の和:871

約数の個数: 96

約数和(自身を含む): 4698279936

約数和(自身を除く): 2685900116

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 83, 110, 166, 191, 220, 332, 382, 415, 577, 764, 830, 913, 955, 1154, 1660, 1826, 1910, 2101, 2308, 2885, 3652, 3820, 4202, 4565, 5770, 6347, 8404, 9130, 10505, 11540, 12694, 15853, 18260, 21010, 25388, 31706, 31735, 42020, 47891, 63412, 63470, 79265, 95782, 110207, 126940, 158530, 174383, 191564, 220414, 239455, 317060, 348766, 440828, 478910, 526801, 551035, 697532, 871915, 957820, 1053602, 1102070, 1212277, 1743830, 2107204, 2204140, 2424554, 2634005, 3487660, 4849108, 5268010, 6061385, 9147181, 10536020, 12122770, 18294362, 24245540, 36588724, 45735905, 91471810, 100618991, 182943620, 201237982, 402475964, 503094955, 1006189910, 2012379820]

約数ペア:

[(1, 2012379820), (2, 1006189910), (4, 503094955), (5, 402475964), (10, 201237982), (11, 182943620), (20, 100618991), (22, 91471810), (44, 45735905), (55, 36588724), (83, 24245540), (110, 18294362), (166, 12122770), (191, 10536020), (220, 9147181), (332, 6061385), (382, 5268010), (415, 4849108), (577, 3487660), (764, 2634005), (830, 2424554), (913, 2204140), (955, 2107204), (1154, 1743830), (1660, 1212277), (1826, 1102070), (1910, 1053602), (2101, 957820), (2308, 871915), (2885, 697532), (3652, 551035), (3820, 526801), (4202, 478910), (4565, 440828), (5770, 348766), (6347, 317060), (8404, 239455), (9130, 220414), (10505, 191564), (11540, 174383), (12694, 158530), (15853, 126940), (18260, 110207), (21010, 95782), (25388, 79265), (31706, 63470), (31735, 63412), (42020, 47891)]