20287965360

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{6502553}}^1$

素因数の和:6502582

約数の個数: 80

約数和(自身を含む): 67730602464

約数和(自身を除く): 47442637104

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 6502553, 13005106, 19507659, 26010212, 32512765, 39015318, 52020424, 65025530, 78030636, 84533189, 97538295, 104040848, 130051060, 156061272, 169066378, 195076590, 253599567, 260102120, 312122544, 338132756, 390153180, 422665945, 507199134, 520204240, 676265512, 780306360, 845331890, 1014398268, 1267997835, 1352531024, 1560612720, 1690663780, 2028796536, 2535995670, 3381327560, 4057593072, 5071991340, 6762655120, 10143982680, 20287965360]

約数ペア:

[(1, 20287965360), (2, 10143982680), (3, 6762655120), (4, 5071991340), (5, 4057593072), (6, 3381327560), (8, 2535995670), (10, 2028796536), (12, 1690663780), (13, 1560612720), (15, 1352531024), (16, 1267997835), (20, 1014398268), (24, 845331890), (26, 780306360), (30, 676265512), (39, 520204240), (40, 507199134), (48, 422665945), (52, 390153180), (60, 338132756), (65, 312122544), (78, 260102120), (80, 253599567), (104, 195076590), (120, 169066378), (130, 156061272), (156, 130051060), (195, 104040848), (208, 97538295), (240, 84533189), (260, 78030636), (312, 65025530), (390, 52020424), (520, 39015318), (624, 32512765), (780, 26010212), (1040, 19507659), (1560, 13005106), (3120, 6502553)]