20571661566

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{187141}}^1$

素因数の和:187377

約数の個数: 48

約数和(自身を含む): 46243536768

約数和(自身を除く): 25671875202

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 93, 186, 197, 279, 394, 558, 591, 1182, 1773, 3546, 6107, 12214, 18321, 36642, 54963, 109926, 187141, 374282, 561423, 1122846, 1684269, 3368538, 5801371, 11602742, 17404113, 34808226, 36866777, 52212339, 73733554, 104424678, 110600331, 221200662, 331800993, 663601986, 1142870087, 2285740174, 3428610261, 6857220522, 10285830783, 20571661566]

約数ペア:

[(1, 20571661566), (2, 10285830783), (3, 6857220522), (6, 3428610261), (9, 2285740174), (18, 1142870087), (31, 663601986), (62, 331800993), (93, 221200662), (186, 110600331), (197, 104424678), (279, 73733554), (394, 52212339), (558, 36866777), (591, 34808226), (1182, 17404113), (1773, 11602742), (3546, 5801371), (6107, 3368538), (12214, 1684269), (18321, 1122846), (36642, 561423), (54963, 374282), (109926, 187141)]