20420232

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{617}}^1$

素因数の和:830

約数の個数: 64

約数和(自身を含む): 58734720

約数和(自身を除く): 38314488

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 197, 394, 591, 617, 788, 1182, 1234, 1379, 1576, 1851, 2364, 2468, 2758, 3702, 4137, 4319, 4728, 4936, 5516, 7404, 8274, 8638, 11032, 12957, 14808, 16548, 17276, 25914, 33096, 34552, 51828, 103656, 121549, 243098, 364647, 486196, 729294, 850843, 972392, 1458588, 1701686, 2552529, 2917176, 3403372, 5105058, 6806744, 10210116, 20420232]

約数ペア:

[(1, 20420232), (2, 10210116), (3, 6806744), (4, 5105058), (6, 3403372), (7, 2917176), (8, 2552529), (12, 1701686), (14, 1458588), (21, 972392), (24, 850843), (28, 729294), (42, 486196), (56, 364647), (84, 243098), (168, 121549), (197, 103656), (394, 51828), (591, 34552), (617, 33096), (788, 25914), (1182, 17276), (1234, 16548), (1379, 14808), (1576, 12957), (1851, 11032), (2364, 8638), (2468, 8274), (2758, 7404), (3702, 5516), (4137, 4936), (4319, 4728)]