20954928

素因数分解:

$2^4\times 3^1\times {\mathrm{53}}^1\times {\mathrm{8237}}^1$

素因数の和:8301

約数の個数: 40

約数和(自身を含む): 55161648

約数和(自身を除く): 34206720

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 53, 106, 159, 212, 318, 424, 636, 848, 1272, 2544, 8237, 16474, 24711, 32948, 49422, 65896, 98844, 131792, 197688, 395376, 436561, 873122, 1309683, 1746244, 2619366, 3492488, 5238732, 6984976, 10477464, 20954928]

約数ペア:

[(1, 20954928), (2, 10477464), (3, 6984976), (4, 5238732), (6, 3492488), (8, 2619366), (12, 1746244), (16, 1309683), (24, 873122), (48, 436561), (53, 395376), (106, 197688), (159, 131792), (212, 98844), (318, 65896), (424, 49422), (636, 32948), (848, 24711), (1272, 16474), (2544, 8237)]