20148661730

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{1065503}}^1$

素因数の和:1065602

約数の個数: 32

約数和(自身を含む): 38051278848

約数和(自身を除く): 17902617118

約数列:

[1, 2, 5, 10, 31, 61, 62, 122, 155, 305, 310, 610, 1891, 3782, 9455, 18910, 1065503, 2131006, 5327515, 10655030, 33030593, 64995683, 66061186, 129991366, 165152965, 324978415, 330305930, 649956830, 2014866173, 4029732346, 10074330865, 20148661730]

約数ペア:

[(1, 20148661730), (2, 10074330865), (5, 4029732346), (10, 2014866173), (31, 649956830), (61, 330305930), (62, 324978415), (122, 165152965), (155, 129991366), (305, 66061186), (310, 64995683), (610, 33030593), (1891, 10655030), (3782, 5327515), (9455, 2131006), (18910, 1065503)]