20161225188

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^1\times {\mathrm{677}}^1\times {\mathrm{21211}}^1$

素因数の和:21914

約数の個数: 96

約数和(自身を含む): 56376405120

約数和(自身を除く): 36215179932

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 108, 117, 156, 234, 351, 468, 677, 702, 1354, 1404, 2031, 2708, 4062, 6093, 8124, 8801, 12186, 17602, 18279, 21211, 24372, 26403, 35204, 36558, 42422, 52806, 63633, 73116, 79209, 84844, 105612, 127266, 158418, 190899, 237627, 254532, 275743, 316836, 381798, 475254, 551486, 572697, 763596, 827229, 950508, 1102972, 1145394, 1654458, 2290788, 2481687, 3308916, 4963374, 7445061, 9926748, 14359847, 14890122, 28719694, 29780244, 43079541, 57439388, 86159082, 129238623, 172318164, 186678011, 258477246, 373356022, 387715869, 516954492, 560034033, 746712044, 775431738, 1120068066, 1550863476, 1680102099, 2240136132, 3360204198, 5040306297, 6720408396, 10080612594, 20161225188]

約数ペア:

[(1, 20161225188), (2, 10080612594), (3, 6720408396), (4, 5040306297), (6, 3360204198), (9, 2240136132), (12, 1680102099), (13, 1550863476), (18, 1120068066), (26, 775431738), (27, 746712044), (36, 560034033), (39, 516954492), (52, 387715869), (54, 373356022), (78, 258477246), (108, 186678011), (117, 172318164), (156, 129238623), (234, 86159082), (351, 57439388), (468, 43079541), (677, 29780244), (702, 28719694), (1354, 14890122), (1404, 14359847), (2031, 9926748), (2708, 7445061), (4062, 4963374), (6093, 3308916), (8124, 2481687), (8801, 2290788), (12186, 1654458), (17602, 1145394), (18279, 1102972), (21211, 950508), (24372, 827229), (26403, 763596), (35204, 572697), (36558, 551486), (42422, 475254), (52806, 381798), (63633, 316836), (73116, 275743), (79209, 254532), (84844, 237627), (105612, 190899), (127266, 158418)]