20392950

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{23}}^2\times {\mathrm{257}}^1$

素因数の和:318

約数の個数: 72

約数和(自身を含む): 53074728

約数和(自身を除く): 32681778

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 25, 30, 46, 50, 69, 75, 115, 138, 150, 230, 257, 345, 514, 529, 575, 690, 771, 1058, 1150, 1285, 1542, 1587, 1725, 2570, 2645, 3174, 3450, 3855, 5290, 5911, 6425, 7710, 7935, 11822, 12850, 13225, 15870, 17733, 19275, 26450, 29555, 35466, 38550, 39675, 59110, 79350, 88665, 135953, 147775, 177330, 271906, 295550, 407859, 443325, 679765, 815718, 886650, 1359530, 2039295, 3398825, 4078590, 6797650, 10196475, 20392950]

約数ペア:

[(1, 20392950), (2, 10196475), (3, 6797650), (5, 4078590), (6, 3398825), (10, 2039295), (15, 1359530), (23, 886650), (25, 815718), (30, 679765), (46, 443325), (50, 407859), (69, 295550), (75, 271906), (115, 177330), (138, 147775), (150, 135953), (230, 88665), (257, 79350), (345, 59110), (514, 39675), (529, 38550), (575, 35466), (690, 29555), (771, 26450), (1058, 19275), (1150, 17733), (1285, 15870), (1542, 13225), (1587, 12850), (1725, 11822), (2570, 7935), (2645, 7710), (3174, 6425), (3450, 5911), (3855, 5290)]