20744768

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{373}}^1$

素因数の和:475

約数の個数: 56

約数和(自身を含む): 45598080

約数和(自身を除く): 24853312

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 79, 88, 158, 176, 316, 352, 373, 632, 704, 746, 869, 1264, 1492, 1738, 2528, 2984, 3476, 4103, 5056, 5968, 6952, 8206, 11936, 13904, 16412, 23872, 27808, 29467, 32824, 55616, 58934, 65648, 117868, 131296, 235736, 262592, 324137, 471472, 648274, 942944, 1296548, 1885888, 2593096, 5186192, 10372384, 20744768]

約数ペア:

[(1, 20744768), (2, 10372384), (4, 5186192), (8, 2593096), (11, 1885888), (16, 1296548), (22, 942944), (32, 648274), (44, 471472), (64, 324137), (79, 262592), (88, 235736), (158, 131296), (176, 117868), (316, 65648), (352, 58934), (373, 55616), (632, 32824), (704, 29467), (746, 27808), (869, 23872), (1264, 16412), (1492, 13904), (1738, 11936), (2528, 8206), (2984, 6952), (3476, 5968), (4103, 5056)]