20774464

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{283}}^1$

素因数の和:363

約数の個数: 56

約数和(自身を含む): 43858688

約数和(自身を除く): 23084224

約数列:

[1, 2, 4, 8, 16, 31, 32, 37, 62, 64, 74, 124, 148, 248, 283, 296, 496, 566, 592, 992, 1132, 1147, 1184, 1984, 2264, 2294, 2368, 4528, 4588, 8773, 9056, 9176, 10471, 17546, 18112, 18352, 20942, 35092, 36704, 41884, 70184, 73408, 83768, 140368, 167536, 280736, 324601, 335072, 561472, 649202, 670144, 1298404, 2596808, 5193616, 10387232, 20774464]

約数ペア:

[(1, 20774464), (2, 10387232), (4, 5193616), (8, 2596808), (16, 1298404), (31, 670144), (32, 649202), (37, 561472), (62, 335072), (64, 324601), (74, 280736), (124, 167536), (148, 140368), (248, 83768), (283, 73408), (296, 70184), (496, 41884), (566, 36704), (592, 35092), (992, 20942), (1132, 18352), (1147, 18112), (1184, 17546), (1984, 10471), (2264, 9176), (2294, 9056), (2368, 8773), (4528, 4588)]