20131776860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{89}}^1\times {\mathrm{66923}}^1$

素因数の和:67047

約数の個数: 72

約数和(自身を含む): 46294007760

約数和(自身を除く): 26162230900

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 89, 130, 169, 178, 260, 338, 356, 445, 676, 845, 890, 1157, 1690, 1780, 2314, 3380, 4628, 5785, 11570, 15041, 23140, 30082, 60164, 66923, 75205, 133846, 150410, 267692, 300820, 334615, 669230, 869999, 1338460, 1739998, 3479996, 4349995, 5956147, 8699990, 11309987, 11912294, 17399980, 22619974, 23824588, 29780735, 45239948, 56549935, 59561470, 77429911, 113099870, 119122940, 154859822, 226199740, 309719644, 387149555, 774299110, 1006588843, 1548598220, 2013177686, 4026355372, 5032944215, 10065888430, 20131776860]

約数ペア:

[(1, 20131776860), (2, 10065888430), (4, 5032944215), (5, 4026355372), (10, 2013177686), (13, 1548598220), (20, 1006588843), (26, 774299110), (52, 387149555), (65, 309719644), (89, 226199740), (130, 154859822), (169, 119122940), (178, 113099870), (260, 77429911), (338, 59561470), (356, 56549935), (445, 45239948), (676, 29780735), (845, 23824588), (890, 22619974), (1157, 17399980), (1690, 11912294), (1780, 11309987), (2314, 8699990), (3380, 5956147), (4628, 4349995), (5785, 3479996), (11570, 1739998), (15041, 1338460), (23140, 869999), (30082, 669230), (60164, 334615), (66923, 300820), (75205, 267692), (133846, 150410)]