20571396

素因数分解:

$2^2\times 3^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1\times {\mathrm{179}}^1$

素因数の和:404

約数の個数: 48

約数和(自身を含む): 49371840

約数和(自身を除く): 28800444

約数列:

[1, 2, 3, 4, 6, 12, 61, 122, 157, 179, 183, 244, 314, 358, 366, 471, 537, 628, 716, 732, 942, 1074, 1884, 2148, 9577, 10919, 19154, 21838, 28103, 28731, 32757, 38308, 43676, 56206, 57462, 65514, 84309, 112412, 114924, 131028, 168618, 337236, 1714283, 3428566, 5142849, 6857132, 10285698, 20571396]

約数ペア:

[(1, 20571396), (2, 10285698), (3, 6857132), (4, 5142849), (6, 3428566), (12, 1714283), (61, 337236), (122, 168618), (157, 131028), (179, 114924), (183, 112412), (244, 84309), (314, 65514), (358, 57462), (366, 56206), (471, 43676), (537, 38308), (628, 32757), (716, 28731), (732, 28103), (942, 21838), (1074, 19154), (1884, 10919), (2148, 9577)]