20071890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{2687}}^1$

素因数の和:2783

約数の個数: 48

約数和(自身を含む): 52835328

約数和(自身を除く): 32763438

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 83, 90, 166, 249, 415, 498, 747, 830, 1245, 1494, 2490, 2687, 3735, 5374, 7470, 8061, 13435, 16122, 24183, 26870, 40305, 48366, 80610, 120915, 223021, 241830, 446042, 669063, 1115105, 1338126, 2007189, 2230210, 3345315, 4014378, 6690630, 10035945, 20071890]

約数ペア:

[(1, 20071890), (2, 10035945), (3, 6690630), (5, 4014378), (6, 3345315), (9, 2230210), (10, 2007189), (15, 1338126), (18, 1115105), (30, 669063), (45, 446042), (83, 241830), (90, 223021), (166, 120915), (249, 80610), (415, 48366), (498, 40305), (747, 26870), (830, 24183), (1245, 16122), (1494, 13435), (2490, 8061), (2687, 7470), (3735, 5374)]