20004036

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{397}}^1$

素因数の和:453

約数の個数: 96

約数和(自身を含む): 56165760

約数和(自身を除く): 36161724

約数列:

[1, 2, 3, 4, 6, 12, 13, 17, 19, 26, 34, 38, 39, 51, 52, 57, 68, 76, 78, 102, 114, 156, 204, 221, 228, 247, 323, 397, 442, 494, 646, 663, 741, 794, 884, 969, 988, 1191, 1292, 1326, 1482, 1588, 1938, 2382, 2652, 2964, 3876, 4199, 4764, 5161, 6749, 7543, 8398, 10322, 12597, 13498, 15086, 15483, 16796, 20247, 20644, 22629, 25194, 26996, 30172, 30966, 40494, 45258, 50388, 61932, 80988, 87737, 90516, 98059, 128231, 175474, 196118, 256462, 263211, 294177, 350948, 384693, 392236, 512924, 526422, 588354, 769386, 1052844, 1176708, 1538772, 1667003, 3334006, 5001009, 6668012, 10002018, 20004036]

約数ペア:

[(1, 20004036), (2, 10002018), (3, 6668012), (4, 5001009), (6, 3334006), (12, 1667003), (13, 1538772), (17, 1176708), (19, 1052844), (26, 769386), (34, 588354), (38, 526422), (39, 512924), (51, 392236), (52, 384693), (57, 350948), (68, 294177), (76, 263211), (78, 256462), (102, 196118), (114, 175474), (156, 128231), (204, 98059), (221, 90516), (228, 87737), (247, 80988), (323, 61932), (397, 50388), (442, 45258), (494, 40494), (646, 30966), (663, 30172), (741, 26996), (794, 25194), (884, 22629), (969, 20644), (988, 20247), (1191, 16796), (1292, 15483), (1326, 15086), (1482, 13498), (1588, 12597), (1938, 10322), (2382, 8398), (2652, 7543), (2964, 6749), (3876, 5161), (4199, 4764)]