20940036

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{269}}^1\times {\mathrm{499}}^1$

素因数の和:788

約数の個数: 48

約数和(自身を含む): 52920000

約数和(自身を除く): 31979964

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 269, 499, 538, 807, 998, 1076, 1497, 1614, 1996, 2994, 3228, 3497, 5988, 6487, 6994, 10491, 12974, 13988, 19461, 20982, 25948, 38922, 41964, 77844, 134231, 268462, 402693, 536924, 805386, 1610772, 1745003, 3490006, 5235009, 6980012, 10470018, 20940036]

約数ペア:

[(1, 20940036), (2, 10470018), (3, 6980012), (4, 5235009), (6, 3490006), (12, 1745003), (13, 1610772), (26, 805386), (39, 536924), (52, 402693), (78, 268462), (156, 134231), (269, 77844), (499, 41964), (538, 38922), (807, 25948), (998, 20982), (1076, 19461), (1497, 13988), (1614, 12974), (1996, 10491), (2994, 6994), (3228, 6487), (3497, 5988)]