20044830

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{499}}^1$

素因数の和:625

約数の個数: 64

約数和(自身を含む): 52416000

約数和(自身を除く): 32371170

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 103, 130, 195, 206, 309, 390, 499, 515, 618, 998, 1030, 1339, 1497, 1545, 2495, 2678, 2994, 3090, 4017, 4990, 6487, 6695, 7485, 8034, 12974, 13390, 14970, 19461, 20085, 32435, 38922, 40170, 51397, 64870, 97305, 102794, 154191, 194610, 256985, 308382, 513970, 668161, 770955, 1336322, 1541910, 2004483, 3340805, 4008966, 6681610, 10022415, 20044830]

約数ペア:

[(1, 20044830), (2, 10022415), (3, 6681610), (5, 4008966), (6, 3340805), (10, 2004483), (13, 1541910), (15, 1336322), (26, 770955), (30, 668161), (39, 513970), (65, 308382), (78, 256985), (103, 194610), (130, 154191), (195, 102794), (206, 97305), (309, 64870), (390, 51397), (499, 40170), (515, 38922), (618, 32435), (998, 20085), (1030, 19461), (1339, 14970), (1497, 13390), (1545, 12974), (2495, 8034), (2678, 7485), (2994, 6695), (3090, 6487), (4017, 4990)]