20746860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{18199}}^1$

素因数の和:18230

約数の個数: 48

約数和(自身を含む): 61152000

約数和(自身を除く): 40405140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 18199, 36398, 54597, 72796, 90995, 109194, 181990, 218388, 272985, 345781, 363980, 545970, 691562, 1037343, 1091940, 1383124, 1728905, 2074686, 3457810, 4149372, 5186715, 6915620, 10373430, 20746860]

約数ペア:

[(1, 20746860), (2, 10373430), (3, 6915620), (4, 5186715), (5, 4149372), (6, 3457810), (10, 2074686), (12, 1728905), (15, 1383124), (19, 1091940), (20, 1037343), (30, 691562), (38, 545970), (57, 363980), (60, 345781), (76, 272985), (95, 218388), (114, 181990), (190, 109194), (228, 90995), (285, 72796), (380, 54597), (570, 36398), (1140, 18199)]