20193008

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{397}}^1$

素因数の和:450

約数の個数: 60

約数和(自身を含む): 45453192

約数和(自身を除く): 25260184

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 34, 44, 68, 88, 136, 176, 187, 272, 289, 374, 397, 578, 748, 794, 1156, 1496, 1588, 2312, 2992, 3176, 3179, 4367, 4624, 6352, 6358, 6749, 8734, 12716, 13498, 17468, 25432, 26996, 34936, 50864, 53992, 69872, 74239, 107984, 114733, 148478, 229466, 296956, 458932, 593912, 917864, 1187824, 1262063, 1835728, 2524126, 5048252, 10096504, 20193008]

約数ペア:

[(1, 20193008), (2, 10096504), (4, 5048252), (8, 2524126), (11, 1835728), (16, 1262063), (17, 1187824), (22, 917864), (34, 593912), (44, 458932), (68, 296956), (88, 229466), (136, 148478), (176, 114733), (187, 107984), (272, 74239), (289, 69872), (374, 53992), (397, 50864), (578, 34936), (748, 26996), (794, 25432), (1156, 17468), (1496, 13498), (1588, 12716), (2312, 8734), (2992, 6749), (3176, 6358), (3179, 6352), (4367, 4624)]