20346005560

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1\times {\mathrm{2341}}^1$

素因数の和:2589

約数の個数: 128

約数和(自身を含む): 48671631360

約数和(自身を除く): 28325625800

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 43, 62, 86, 124, 155, 163, 172, 215, 248, 310, 326, 344, 430, 620, 652, 815, 860, 1240, 1304, 1333, 1630, 1720, 2341, 2666, 3260, 4682, 5053, 5332, 6520, 6665, 7009, 9364, 10106, 10664, 11705, 13330, 14018, 18728, 20212, 23410, 25265, 26660, 28036, 35045, 40424, 46820, 50530, 53320, 56072, 70090, 72571, 93640, 100663, 101060, 140180, 145142, 201326, 202120, 217279, 280360, 290284, 362855, 381583, 402652, 434558, 503315, 580568, 725710, 763166, 805304, 869116, 1006630, 1086395, 1451420, 1526332, 1738232, 1907915, 2013260, 2172790, 2902840, 3052664, 3120553, 3815830, 4026520, 4345580, 6241106, 7631660, 8691160, 11829073, 12482212, 15263320, 15602765, 16408069, 23658146, 24964424, 31205530, 32816138, 47316292, 59145365, 62411060, 65632276, 82040345, 94632584, 118290730, 124822120, 131264552, 164080690, 236581460, 328161380, 473162920, 508650139, 656322760, 1017300278, 2034600556, 2543250695, 4069201112, 5086501390, 10173002780, 20346005560]

約数ペア:

[(1, 20346005560), (2, 10173002780), (4, 5086501390), (5, 4069201112), (8, 2543250695), (10, 2034600556), (20, 1017300278), (31, 656322760), (40, 508650139), (43, 473162920), (62, 328161380), (86, 236581460), (124, 164080690), (155, 131264552), (163, 124822120), (172, 118290730), (215, 94632584), (248, 82040345), (310, 65632276), (326, 62411060), (344, 59145365), (430, 47316292), (620, 32816138), (652, 31205530), (815, 24964424), (860, 23658146), (1240, 16408069), (1304, 15602765), (1333, 15263320), (1630, 12482212), (1720, 11829073), (2341, 8691160), (2666, 7631660), (3260, 6241106), (4682, 4345580), (5053, 4026520), (5332, 3815830), (6520, 3120553), (6665, 3052664), (7009, 2902840), (9364, 2172790), (10106, 2013260), (10664, 1907915), (11705, 1738232), (13330, 1526332), (14018, 1451420), (18728, 1086395), (20212, 1006630), (23410, 869116), (25265, 805304), (26660, 763166), (28036, 725710), (35045, 580568), (40424, 503315), (46820, 434558), (50530, 402652), (53320, 381583), (56072, 362855), (70090, 290284), (72571, 280360), (93640, 217279), (100663, 202120), (101060, 201326), (140180, 145142)]