20114120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{823}}^1$

素因数の和:894

約数の個数: 64

約数和(自身を含む): 49835520

約数和(自身を除く): 29721400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 47, 52, 65, 94, 104, 130, 188, 235, 260, 376, 470, 520, 611, 823, 940, 1222, 1646, 1880, 2444, 3055, 3292, 4115, 4888, 6110, 6584, 8230, 10699, 12220, 16460, 21398, 24440, 32920, 38681, 42796, 53495, 77362, 85592, 106990, 154724, 193405, 213980, 309448, 386810, 427960, 502853, 773620, 1005706, 1547240, 2011412, 2514265, 4022824, 5028530, 10057060, 20114120]

約数ペア:

[(1, 20114120), (2, 10057060), (4, 5028530), (5, 4022824), (8, 2514265), (10, 2011412), (13, 1547240), (20, 1005706), (26, 773620), (40, 502853), (47, 427960), (52, 386810), (65, 309448), (94, 213980), (104, 193405), (130, 154724), (188, 106990), (235, 85592), (260, 77362), (376, 53495), (470, 42796), (520, 38681), (611, 32920), (823, 24440), (940, 21398), (1222, 16460), (1646, 12220), (1880, 10699), (2444, 8230), (3055, 6584), (3292, 6110), (4115, 4888)]