20346737408

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{62533}}^1$

素因数の和:62621

約数の個数: 72

約数和(自身を含む): 42947350656

約数和(自身を除く): 22600613248

約数列:

[1, 2, 4, 8, 16, 31, 32, 41, 62, 64, 82, 124, 128, 164, 248, 256, 328, 496, 656, 992, 1271, 1312, 1984, 2542, 2624, 3968, 5084, 5248, 7936, 10168, 10496, 20336, 40672, 62533, 81344, 125066, 162688, 250132, 325376, 500264, 1000528, 1938523, 2001056, 2563853, 3877046, 4002112, 5127706, 7754092, 8004224, 10255412, 15508184, 16008448, 20510824, 31016368, 41021648, 62032736, 79479443, 82043296, 124065472, 158958886, 164086592, 248130944, 317917772, 328173184, 496261888, 635835544, 656346368, 1271671088, 2543342176, 5086684352, 10173368704, 20346737408]

約数ペア:

[(1, 20346737408), (2, 10173368704), (4, 5086684352), (8, 2543342176), (16, 1271671088), (31, 656346368), (32, 635835544), (41, 496261888), (62, 328173184), (64, 317917772), (82, 248130944), (124, 164086592), (128, 158958886), (164, 124065472), (248, 82043296), (256, 79479443), (328, 62032736), (496, 41021648), (656, 31016368), (992, 20510824), (1271, 16008448), (1312, 15508184), (1984, 10255412), (2542, 8004224), (2624, 7754092), (3968, 5127706), (5084, 4002112), (5248, 3877046), (7936, 2563853), (10168, 2001056), (10496, 1938523), (20336, 1000528), (40672, 500264), (62533, 325376), (81344, 250132), (125066, 162688)]