20291215376

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{749971}}^1$

素因数の和:750087

約数の個数: 40

約数和(自身を含む): 41848437600

約数和(自身を除く): 21557222224

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 89, 152, 178, 304, 356, 712, 1424, 1691, 3382, 6764, 13528, 27056, 749971, 1499942, 2999884, 5999768, 11999536, 14249449, 28498898, 56997796, 66747419, 113995592, 133494838, 227991184, 266989676, 533979352, 1067958704, 1268200961, 2536401922, 5072803844, 10145607688, 20291215376]

約数ペア:

[(1, 20291215376), (2, 10145607688), (4, 5072803844), (8, 2536401922), (16, 1268200961), (19, 1067958704), (38, 533979352), (76, 266989676), (89, 227991184), (152, 133494838), (178, 113995592), (304, 66747419), (356, 56997796), (712, 28498898), (1424, 14249449), (1691, 11999536), (3382, 5999768), (6764, 2999884), (13528, 1499942), (27056, 749971)]