20647510128

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{499601}}^1$

素因数の和:499663

約数の個数: 120

約数和(自身を含む): 67650107616

約数和(自身を除く): 47002597488

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 41, 42, 48, 56, 63, 72, 82, 84, 112, 123, 126, 144, 164, 168, 246, 252, 287, 328, 336, 369, 492, 504, 574, 656, 738, 861, 984, 1008, 1148, 1476, 1722, 1968, 2296, 2583, 2952, 3444, 4592, 5166, 5904, 6888, 10332, 13776, 20664, 41328, 499601, 999202, 1498803, 1998404, 2997606, 3497207, 3996808, 4496409, 5995212, 6994414, 7993616, 8992818, 10491621, 11990424, 13988828, 17985636, 20483641, 20983242, 23980848, 27977656, 31474863, 35971272, 40967282, 41966484, 55955312, 61450923, 62949726, 71942544, 81934564, 83932968, 122901846, 125899452, 143385487, 163869128, 167865936, 184352769, 245803692, 251798904, 286770974, 327738256, 368705538, 430156461, 491607384, 503597808, 573541948, 737411076, 860312922, 983214768, 1147083896, 1290469383, 1474822152, 1720625844, 2294167792, 2580938766, 2949644304, 3441251688, 5161877532, 6882503376, 10323755064, 20647510128]

約数ペア:

[(1, 20647510128), (2, 10323755064), (3, 6882503376), (4, 5161877532), (6, 3441251688), (7, 2949644304), (8, 2580938766), (9, 2294167792), (12, 1720625844), (14, 1474822152), (16, 1290469383), (18, 1147083896), (21, 983214768), (24, 860312922), (28, 737411076), (36, 573541948), (41, 503597808), (42, 491607384), (48, 430156461), (56, 368705538), (63, 327738256), (72, 286770974), (82, 251798904), (84, 245803692), (112, 184352769), (123, 167865936), (126, 163869128), (144, 143385487), (164, 125899452), (168, 122901846), (246, 83932968), (252, 81934564), (287, 71942544), (328, 62949726), (336, 61450923), (369, 55955312), (492, 41966484), (504, 40967282), (574, 35971272), (656, 31474863), (738, 27977656), (861, 23980848), (984, 20983242), (1008, 20483641), (1148, 17985636), (1476, 13988828), (1722, 11990424), (1968, 10491621), (2296, 8992818), (2583, 7993616), (2952, 6994414), (3444, 5995212), (4592, 4496409), (5166, 3996808), (5904, 3497207), (6888, 2997606), (10332, 1998404), (13776, 1498803), (20664, 999202), (41328, 499601)]