20937777770

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{419}}^1\times {\mathrm{617}}^1$

素因数の和:1152

約数の個数: 128

約数和(自身を含む): 47094566400

約数和(自身を除く): 26156788630

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 89, 91, 130, 178, 182, 419, 445, 455, 617, 623, 838, 890, 910, 1157, 1234, 1246, 2095, 2314, 2933, 3085, 3115, 4190, 4319, 5447, 5785, 5866, 6170, 6230, 8021, 8099, 8638, 10894, 11570, 14665, 16042, 16198, 21595, 27235, 29330, 37291, 38129, 40105, 40495, 43190, 54470, 54913, 56147, 74582, 76258, 80210, 80990, 109826, 112294, 186455, 190645, 258523, 261037, 274565, 280735, 372910, 381290, 384391, 484783, 517046, 522074, 549130, 561470, 713869, 768782, 969566, 1292615, 1305185, 1427738, 1809661, 1921955, 2423915, 2585230, 2610370, 3360799, 3393481, 3569345, 3619322, 3843910, 4847830, 4997083, 6721598, 6786962, 7138690, 9048305, 9994166, 16803995, 16967405, 18096610, 23008547, 23525593, 24985415, 33607990, 33934810, 46017094, 47051186, 49970830, 115042735, 117627965, 161059829, 230085470, 235255930, 299111111, 322119658, 598222222, 805299145, 1495555555, 1610598290, 2093777777, 2991111110, 4187555554, 10468888885, 20937777770]

約数ペア:

[(1, 20937777770), (2, 10468888885), (5, 4187555554), (7, 2991111110), (10, 2093777777), (13, 1610598290), (14, 1495555555), (26, 805299145), (35, 598222222), (65, 322119658), (70, 299111111), (89, 235255930), (91, 230085470), (130, 161059829), (178, 117627965), (182, 115042735), (419, 49970830), (445, 47051186), (455, 46017094), (617, 33934810), (623, 33607990), (838, 24985415), (890, 23525593), (910, 23008547), (1157, 18096610), (1234, 16967405), (1246, 16803995), (2095, 9994166), (2314, 9048305), (2933, 7138690), (3085, 6786962), (3115, 6721598), (4190, 4997083), (4319, 4847830), (5447, 3843910), (5785, 3619322), (5866, 3569345), (6170, 3393481), (6230, 3360799), (8021, 2610370), (8099, 2585230), (8638, 2423915), (10894, 1921955), (11570, 1809661), (14665, 1427738), (16042, 1305185), (16198, 1292615), (21595, 969566), (27235, 768782), (29330, 713869), (37291, 561470), (38129, 549130), (40105, 522074), (40495, 517046), (43190, 484783), (54470, 384391), (54913, 381290), (56147, 372910), (74582, 280735), (76258, 274565), (80210, 261037), (80990, 258523), (109826, 190645), (112294, 186455)]