20994217668

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{182641}}^1$

素因数の和:182785

約数の個数: 72

約数和(自身を含む): 55312764416

約数和(自身を除く): 34318546748

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 103, 124, 186, 206, 279, 309, 372, 412, 558, 618, 927, 1116, 1236, 1854, 3193, 3708, 6386, 9579, 12772, 19158, 28737, 38316, 57474, 114948, 182641, 365282, 547923, 730564, 1095846, 1643769, 2191692, 3287538, 5661871, 6575076, 11323742, 16985613, 18812023, 22647484, 33971226, 37624046, 50956839, 56436069, 67942452, 75248092, 101913678, 112872138, 169308207, 203827356, 225744276, 338616414, 583172713, 677232828, 1166345426, 1749518139, 2332690852, 3499036278, 5248554417, 6998072556, 10497108834, 20994217668]

約数ペア:

[(1, 20994217668), (2, 10497108834), (3, 6998072556), (4, 5248554417), (6, 3499036278), (9, 2332690852), (12, 1749518139), (18, 1166345426), (31, 677232828), (36, 583172713), (62, 338616414), (93, 225744276), (103, 203827356), (124, 169308207), (186, 112872138), (206, 101913678), (279, 75248092), (309, 67942452), (372, 56436069), (412, 50956839), (558, 37624046), (618, 33971226), (927, 22647484), (1116, 18812023), (1236, 16985613), (1854, 11323742), (3193, 6575076), (3708, 5661871), (6386, 3287538), (9579, 2191692), (12772, 1643769), (19158, 1095846), (28737, 730564), (38316, 547923), (57474, 365282), (114948, 182641)]