16706920

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{311}}^1$

素因数の和:418

約数の個数: 64

約数和(自身を含む): 40435200

約数和(自身を除く): 23728280

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 79, 85, 136, 158, 170, 311, 316, 340, 395, 622, 632, 680, 790, 1244, 1343, 1555, 1580, 2488, 2686, 3110, 3160, 5287, 5372, 6220, 6715, 10574, 10744, 12440, 13430, 21148, 24569, 26435, 26860, 42296, 49138, 52870, 53720, 98276, 105740, 122845, 196552, 211480, 245690, 417673, 491380, 835346, 982760, 1670692, 2088365, 3341384, 4176730, 8353460, 16706920]

約数ペア:

[(1, 16706920), (2, 8353460), (4, 4176730), (5, 3341384), (8, 2088365), (10, 1670692), (17, 982760), (20, 835346), (34, 491380), (40, 417673), (68, 245690), (79, 211480), (85, 196552), (136, 122845), (158, 105740), (170, 98276), (311, 53720), (316, 52870), (340, 49138), (395, 42296), (622, 26860), (632, 26435), (680, 24569), (790, 21148), (1244, 13430), (1343, 12440), (1555, 10744), (1580, 10574), (2488, 6715), (2686, 6220), (3110, 5372), (3160, 5287)]