20629944

素因数分解:

$2^3\times 3^3\times {\mathrm{149}}^1\times {\mathrm{641}}^1$

素因数の和:805

約数の個数: 64

約数和(自身を含む): 57780000

約数和(自身を除く): 37150056

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 149, 216, 298, 447, 596, 641, 894, 1192, 1282, 1341, 1788, 1923, 2564, 2682, 3576, 3846, 4023, 5128, 5364, 5769, 7692, 8046, 10728, 11538, 15384, 16092, 17307, 23076, 32184, 34614, 46152, 69228, 95509, 138456, 191018, 286527, 382036, 573054, 764072, 859581, 1146108, 1719162, 2292216, 2578743, 3438324, 5157486, 6876648, 10314972, 20629944]

約数ペア:

[(1, 20629944), (2, 10314972), (3, 6876648), (4, 5157486), (6, 3438324), (8, 2578743), (9, 2292216), (12, 1719162), (18, 1146108), (24, 859581), (27, 764072), (36, 573054), (54, 382036), (72, 286527), (108, 191018), (149, 138456), (216, 95509), (298, 69228), (447, 46152), (596, 34614), (641, 32184), (894, 23076), (1192, 17307), (1282, 16092), (1341, 15384), (1788, 11538), (1923, 10728), (2564, 8046), (2682, 7692), (3576, 5769), (3846, 5364), (4023, 5128)]