20121295480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{270593}}^1$

素因数の和:270641

約数の個数: 96

約数和(自身を含む): 53480198160

約数和(自身を除く): 33358902680

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 130, 143, 169, 220, 260, 286, 338, 440, 520, 572, 676, 715, 845, 1144, 1352, 1430, 1690, 1859, 2860, 3380, 3718, 5720, 6760, 7436, 9295, 14872, 18590, 37180, 74360, 270593, 541186, 1082372, 1352965, 2164744, 2705930, 2976523, 3517709, 5411860, 5953046, 7035418, 10823720, 11906092, 14070836, 14882615, 17588545, 23812184, 28141672, 29765230, 35177090, 38694799, 45730217, 59530460, 70354180, 77389598, 91460434, 119060920, 140708360, 154779196, 182920868, 193473995, 228651085, 309558392, 365841736, 386947990, 457302170, 503032387, 773895980, 914604340, 1006064774, 1547791960, 1829208680, 2012129548, 2515161935, 4024259096, 5030323870, 10060647740, 20121295480]

約数ペア:

[(1, 20121295480), (2, 10060647740), (4, 5030323870), (5, 4024259096), (8, 2515161935), (10, 2012129548), (11, 1829208680), (13, 1547791960), (20, 1006064774), (22, 914604340), (26, 773895980), (40, 503032387), (44, 457302170), (52, 386947990), (55, 365841736), (65, 309558392), (88, 228651085), (104, 193473995), (110, 182920868), (130, 154779196), (143, 140708360), (169, 119060920), (220, 91460434), (260, 77389598), (286, 70354180), (338, 59530460), (440, 45730217), (520, 38694799), (572, 35177090), (676, 29765230), (715, 28141672), (845, 23812184), (1144, 17588545), (1352, 14882615), (1430, 14070836), (1690, 11906092), (1859, 10823720), (2860, 7035418), (3380, 5953046), (3718, 5411860), (5720, 3517709), (6760, 2976523), (7436, 2705930), (9295, 2164744), (14872, 1352965), (18590, 1082372), (37180, 541186), (74360, 270593)]