20342237396

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{487}}^1\times {\mathrm{3361}}^1$

素因数の和:4104

約数の個数: 48

約数和(自身を含む): 38588229120

約数和(自身を除く): 18245991724

約数列:

[1, 2, 4, 13, 26, 52, 239, 478, 487, 956, 974, 1948, 3107, 3361, 6214, 6331, 6722, 12428, 12662, 13444, 25324, 43693, 87386, 116393, 174772, 232786, 465572, 803279, 1513109, 1606558, 1636807, 3026218, 3213116, 3273614, 6052436, 6547228, 10442627, 20885254, 21278491, 41770508, 42556982, 85113964, 391196873, 782393746, 1564787492, 5085559349, 10171118698, 20342237396]

約数ペア:

[(1, 20342237396), (2, 10171118698), (4, 5085559349), (13, 1564787492), (26, 782393746), (52, 391196873), (239, 85113964), (478, 42556982), (487, 41770508), (956, 21278491), (974, 20885254), (1948, 10442627), (3107, 6547228), (3361, 6052436), (6214, 3273614), (6331, 3213116), (6722, 3026218), (12428, 1636807), (12662, 1606558), (13444, 1513109), (25324, 803279), (43693, 465572), (87386, 232786), (116393, 174772)]