20774372

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{113}}^1$

素因数の和:236

約数の個数: 48

約数和(自身を含む): 40219200

約数和(自身を除く): 19444828

約数列:

[1, 2, 4, 19, 38, 41, 59, 76, 82, 113, 118, 164, 226, 236, 452, 779, 1121, 1558, 2147, 2242, 2419, 3116, 4294, 4484, 4633, 4838, 6667, 8588, 9266, 9676, 13334, 18532, 26668, 45961, 88027, 91922, 126673, 176054, 183844, 253346, 273347, 352108, 506692, 546694, 1093388, 5193593, 10387186, 20774372]

約数ペア:

[(1, 20774372), (2, 10387186), (4, 5193593), (19, 1093388), (38, 546694), (41, 506692), (59, 352108), (76, 273347), (82, 253346), (113, 183844), (118, 176054), (164, 126673), (226, 91922), (236, 88027), (452, 45961), (779, 26668), (1121, 18532), (1558, 13334), (2147, 9676), (2242, 9266), (2419, 8588), (3116, 6667), (4294, 4838), (4484, 4633)]