20750600

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{347}}^1$

素因数の和:399

約数の個数: 96

約数和(自身を含む): 54371520

約数和(自身を除く): 33620920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 23, 25, 26, 40, 46, 50, 52, 65, 92, 100, 104, 115, 130, 184, 200, 230, 260, 299, 325, 347, 460, 520, 575, 598, 650, 694, 920, 1150, 1196, 1300, 1388, 1495, 1735, 2300, 2392, 2600, 2776, 2990, 3470, 4511, 4600, 5980, 6940, 7475, 7981, 8675, 9022, 11960, 13880, 14950, 15962, 17350, 18044, 22555, 29900, 31924, 34700, 36088, 39905, 45110, 59800, 63848, 69400, 79810, 90220, 103753, 112775, 159620, 180440, 199525, 207506, 225550, 319240, 399050, 415012, 451100, 518765, 798100, 830024, 902200, 1037530, 1596200, 2075060, 2593825, 4150120, 5187650, 10375300, 20750600]

約数ペア:

[(1, 20750600), (2, 10375300), (4, 5187650), (5, 4150120), (8, 2593825), (10, 2075060), (13, 1596200), (20, 1037530), (23, 902200), (25, 830024), (26, 798100), (40, 518765), (46, 451100), (50, 415012), (52, 399050), (65, 319240), (92, 225550), (100, 207506), (104, 199525), (115, 180440), (130, 159620), (184, 112775), (200, 103753), (230, 90220), (260, 79810), (299, 69400), (325, 63848), (347, 59800), (460, 45110), (520, 39905), (575, 36088), (598, 34700), (650, 31924), (694, 29900), (920, 22555), (1150, 18044), (1196, 17350), (1300, 15962), (1388, 14950), (1495, 13880), (1735, 11960), (2300, 9022), (2392, 8675), (2600, 7981), (2776, 7475), (2990, 6940), (3470, 5980), (4511, 4600)]