20110630

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{2237}}^1$

素因数の和:2304

約数の個数: 32

約数和(自身を含む): 38672640

約数和(自身を除く): 18562010

約数列:

[1, 2, 5, 10, 29, 31, 58, 62, 145, 155, 290, 310, 899, 1798, 2237, 4474, 4495, 8990, 11185, 22370, 64873, 69347, 129746, 138694, 324365, 346735, 648730, 693470, 2011063, 4022126, 10055315, 20110630]

約数ペア:

[(1, 20110630), (2, 10055315), (5, 4022126), (10, 2011063), (29, 693470), (31, 648730), (58, 346735), (62, 324365), (145, 138694), (155, 129746), (290, 69347), (310, 64873), (899, 22370), (1798, 11185), (2237, 8990), (4474, 4495)]