20877972

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{1931}}^1$

素因数の和:2008

約数の個数: 48

約数和(自身を含む): 52581312

約数和(自身を除く): 31703340

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 53, 68, 102, 106, 159, 204, 212, 318, 636, 901, 1802, 1931, 2703, 3604, 3862, 5406, 5793, 7724, 10812, 11586, 23172, 32827, 65654, 98481, 102343, 131308, 196962, 204686, 307029, 393924, 409372, 614058, 1228116, 1739831, 3479662, 5219493, 6959324, 10438986, 20877972]

約数ペア:

[(1, 20877972), (2, 10438986), (3, 6959324), (4, 5219493), (6, 3479662), (12, 1739831), (17, 1228116), (34, 614058), (51, 409372), (53, 393924), (68, 307029), (102, 204686), (106, 196962), (159, 131308), (204, 102343), (212, 98481), (318, 65654), (636, 32827), (901, 23172), (1802, 11586), (1931, 10812), (2703, 7724), (3604, 5793), (3862, 5406)]