20898696

素因数分解:

$2^3\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1367}}^1$

素因数の和:1403

約数の個数: 96

約数和(自身を含む): 65499840

約数和(自身を除く): 44601144

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 39, 42, 49, 52, 56, 78, 84, 91, 98, 104, 147, 156, 168, 182, 196, 273, 294, 312, 364, 392, 546, 588, 637, 728, 1092, 1176, 1274, 1367, 1911, 2184, 2548, 2734, 3822, 4101, 5096, 5468, 7644, 8202, 9569, 10936, 15288, 16404, 17771, 19138, 28707, 32808, 35542, 38276, 53313, 57414, 66983, 71084, 76552, 106626, 114828, 124397, 133966, 142168, 200949, 213252, 229656, 248794, 267932, 373191, 401898, 426504, 497588, 535864, 746382, 803796, 870779, 995176, 1492764, 1607592, 1741558, 2612337, 2985528, 3483116, 5224674, 6966232, 10449348, 20898696]

約数ペア:

[(1, 20898696), (2, 10449348), (3, 6966232), (4, 5224674), (6, 3483116), (7, 2985528), (8, 2612337), (12, 1741558), (13, 1607592), (14, 1492764), (21, 995176), (24, 870779), (26, 803796), (28, 746382), (39, 535864), (42, 497588), (49, 426504), (52, 401898), (56, 373191), (78, 267932), (84, 248794), (91, 229656), (98, 213252), (104, 200949), (147, 142168), (156, 133966), (168, 124397), (182, 114828), (196, 106626), (273, 76552), (294, 71084), (312, 66983), (364, 57414), (392, 53313), (546, 38276), (588, 35542), (637, 32808), (728, 28707), (1092, 19138), (1176, 17771), (1274, 16404), (1367, 15288), (1911, 10936), (2184, 9569), (2548, 8202), (2734, 7644), (3822, 5468), (4101, 5096)]