20804472

素因数分解:

$2^3\times 3^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1$

素因数の和:298

約数の個数: 128

約数和(自身を含む): 64512000

約数和(自身を除く): 43707528

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 31, 36, 39, 52, 54, 62, 72, 78, 93, 104, 108, 117, 124, 156, 186, 216, 234, 239, 248, 279, 312, 351, 372, 403, 468, 478, 558, 702, 717, 744, 806, 837, 936, 956, 1116, 1209, 1404, 1434, 1612, 1674, 1912, 2151, 2232, 2418, 2808, 2868, 3107, 3224, 3348, 3627, 4302, 4836, 5736, 6214, 6453, 6696, 7254, 7409, 8604, 9321, 9672, 10881, 12428, 12906, 14508, 14818, 17208, 18642, 21762, 22227, 24856, 25812, 27963, 29016, 29636, 37284, 43524, 44454, 51624, 55926, 59272, 66681, 74568, 83889, 87048, 88908, 96317, 111852, 133362, 167778, 177816, 192634, 200043, 223704, 266724, 288951, 335556, 385268, 400086, 533448, 577902, 671112, 770536, 800172, 866853, 1155804, 1600344, 1733706, 2311608, 2600559, 3467412, 5201118, 6934824, 10402236, 20804472]

約数ペア:

[(1, 20804472), (2, 10402236), (3, 6934824), (4, 5201118), (6, 3467412), (8, 2600559), (9, 2311608), (12, 1733706), (13, 1600344), (18, 1155804), (24, 866853), (26, 800172), (27, 770536), (31, 671112), (36, 577902), (39, 533448), (52, 400086), (54, 385268), (62, 335556), (72, 288951), (78, 266724), (93, 223704), (104, 200043), (108, 192634), (117, 177816), (124, 167778), (156, 133362), (186, 111852), (216, 96317), (234, 88908), (239, 87048), (248, 83889), (279, 74568), (312, 66681), (351, 59272), (372, 55926), (403, 51624), (468, 44454), (478, 43524), (558, 37284), (702, 29636), (717, 29016), (744, 27963), (806, 25812), (837, 24856), (936, 22227), (956, 21762), (1116, 18642), (1209, 17208), (1404, 14818), (1434, 14508), (1612, 12906), (1674, 12428), (1912, 10881), (2151, 9672), (2232, 9321), (2418, 8604), (2808, 7409), (2868, 7254), (3107, 6696), (3224, 6453), (3348, 6214), (3627, 5736), (4302, 4836)]