20456472

素因数分解:

$2^3\times 3^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1$

素因数の和:316

約数の個数: 64

約数和(自身を含む): 52898400

約数和(自身を除く): 32441928

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 61, 89, 122, 157, 178, 183, 244, 267, 314, 356, 366, 471, 488, 534, 628, 712, 732, 942, 1068, 1256, 1464, 1884, 2136, 3768, 5429, 9577, 10858, 13973, 16287, 19154, 21716, 27946, 28731, 32574, 38308, 41919, 43432, 55892, 57462, 65148, 76616, 83838, 111784, 114924, 130296, 167676, 229848, 335352, 852353, 1704706, 2557059, 3409412, 5114118, 6818824, 10228236, 20456472]

約数ペア:

[(1, 20456472), (2, 10228236), (3, 6818824), (4, 5114118), (6, 3409412), (8, 2557059), (12, 1704706), (24, 852353), (61, 335352), (89, 229848), (122, 167676), (157, 130296), (178, 114924), (183, 111784), (244, 83838), (267, 76616), (314, 65148), (356, 57462), (366, 55892), (471, 43432), (488, 41919), (534, 38308), (628, 32574), (712, 28731), (732, 27946), (942, 21716), (1068, 19154), (1256, 16287), (1464, 13973), (1884, 10858), (2136, 9577), (3768, 5429)]