20701200

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{1327}}^1$

素因数の和:1361

約数の個数: 120

約数和(自身を含む): 71467648

約数和(自身を除く): 50766448

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 25, 26, 30, 39, 40, 48, 50, 52, 60, 65, 75, 78, 80, 100, 104, 120, 130, 150, 156, 195, 200, 208, 240, 260, 300, 312, 325, 390, 400, 520, 600, 624, 650, 780, 975, 1040, 1200, 1300, 1327, 1560, 1950, 2600, 2654, 3120, 3900, 3981, 5200, 5308, 6635, 7800, 7962, 10616, 13270, 15600, 15924, 17251, 19905, 21232, 26540, 31848, 33175, 34502, 39810, 51753, 53080, 63696, 66350, 69004, 79620, 86255, 99525, 103506, 106160, 132700, 138008, 159240, 172510, 199050, 207012, 258765, 265400, 276016, 318480, 345020, 398100, 414024, 431275, 517530, 530800, 690040, 796200, 828048, 862550, 1035060, 1293825, 1380080, 1592400, 1725100, 2070120, 2587650, 3450200, 4140240, 5175300, 6900400, 10350600, 20701200]

約数ペア:

[(1, 20701200), (2, 10350600), (3, 6900400), (4, 5175300), (5, 4140240), (6, 3450200), (8, 2587650), (10, 2070120), (12, 1725100), (13, 1592400), (15, 1380080), (16, 1293825), (20, 1035060), (24, 862550), (25, 828048), (26, 796200), (30, 690040), (39, 530800), (40, 517530), (48, 431275), (50, 414024), (52, 398100), (60, 345020), (65, 318480), (75, 276016), (78, 265400), (80, 258765), (100, 207012), (104, 199050), (120, 172510), (130, 159240), (150, 138008), (156, 132700), (195, 106160), (200, 103506), (208, 99525), (240, 86255), (260, 79620), (300, 69004), (312, 66350), (325, 63696), (390, 53080), (400, 51753), (520, 39810), (600, 34502), (624, 33175), (650, 31848), (780, 26540), (975, 21232), (1040, 19905), (1200, 17251), (1300, 15924), (1327, 15600), (1560, 13270), (1950, 10616), (2600, 7962), (2654, 7800), (3120, 6635), (3900, 5308), (3981, 5200)]