20176393900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{912959}}^1$

素因数の和:913003

約数の個数: 72

約数和(自身を含む): 49924304640

約数和(自身を除く): 29747910740

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 25, 26, 34, 50, 52, 65, 68, 85, 100, 130, 170, 221, 260, 325, 340, 425, 442, 650, 850, 884, 1105, 1300, 1700, 2210, 4420, 5525, 11050, 22100, 912959, 1825918, 3651836, 4564795, 9129590, 11868467, 15520303, 18259180, 22823975, 23736934, 31040606, 45647950, 47473868, 59342335, 62081212, 77601515, 91295900, 118684670, 155203030, 201763939, 237369340, 296711675, 310406060, 388007575, 403527878, 593423350, 776015150, 807055756, 1008819695, 1186846700, 1552030300, 2017639390, 4035278780, 5044098475, 10088196950, 20176393900]

約数ペア:

[(1, 20176393900), (2, 10088196950), (4, 5044098475), (5, 4035278780), (10, 2017639390), (13, 1552030300), (17, 1186846700), (20, 1008819695), (25, 807055756), (26, 776015150), (34, 593423350), (50, 403527878), (52, 388007575), (65, 310406060), (68, 296711675), (85, 237369340), (100, 201763939), (130, 155203030), (170, 118684670), (221, 91295900), (260, 77601515), (325, 62081212), (340, 59342335), (425, 47473868), (442, 45647950), (650, 31040606), (850, 23736934), (884, 22823975), (1105, 18259180), (1300, 15520303), (1700, 11868467), (2210, 9129590), (4420, 4564795), (5525, 3651836), (11050, 1825918), (22100, 912959)]