20215720832

素因数分解:

$2^7\times {\mathrm{23}}^1\times {\mathrm{463}}^1\times {\mathrm{14831}}^1$

素因数の和:15331

約数の個数: 64

約数和(自身を含む): 42118133760

約数和(自身を除く): 21902412928

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 92, 128, 184, 368, 463, 736, 926, 1472, 1852, 2944, 3704, 7408, 10649, 14816, 14831, 21298, 29632, 29662, 42596, 59264, 59324, 85192, 118648, 170384, 237296, 340768, 341113, 474592, 681536, 682226, 949184, 1363072, 1364452, 1898368, 2728904, 5457808, 6866753, 10915616, 13733506, 21831232, 27467012, 43662464, 54934024, 109868048, 157935319, 219736096, 315870638, 439472192, 631741276, 878944384, 1263482552, 2526965104, 5053930208, 10107860416, 20215720832]

約数ペア:

[(1, 20215720832), (2, 10107860416), (4, 5053930208), (8, 2526965104), (16, 1263482552), (23, 878944384), (32, 631741276), (46, 439472192), (64, 315870638), (92, 219736096), (128, 157935319), (184, 109868048), (368, 54934024), (463, 43662464), (736, 27467012), (926, 21831232), (1472, 13733506), (1852, 10915616), (2944, 6866753), (3704, 5457808), (7408, 2728904), (10649, 1898368), (14816, 1364452), (14831, 1363072), (21298, 949184), (29632, 682226), (29662, 681536), (42596, 474592), (59264, 341113), (59324, 340768), (85192, 237296), (118648, 170384)]