20778820188

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{571}}^1\times {\mathrm{3307}}^1$

素因数の和:4023

約数の個数: 96

約数和(自身を含む): 55947859968

約数和(自身を除く): 35169039780

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 131, 262, 393, 524, 571, 786, 917, 1142, 1572, 1713, 1834, 2284, 2751, 3307, 3426, 3668, 3997, 5502, 6614, 6852, 7994, 9921, 11004, 11991, 13228, 15988, 19842, 23149, 23982, 39684, 46298, 47964, 69447, 74801, 92596, 138894, 149602, 224403, 277788, 299204, 433217, 448806, 523607, 866434, 897612, 1047214, 1299651, 1570821, 1732868, 1888297, 2094428, 2599302, 3032519, 3141642, 3776594, 5198604, 5664891, 6065038, 6283284, 7553188, 9097557, 11329782, 12130076, 13218079, 18195114, 22659564, 26436158, 36390228, 39654237, 52872316, 79308474, 158616948, 247366907, 494733814, 742100721, 989467628, 1484201442, 1731568349, 2968402884, 3463136698, 5194705047, 6926273396, 10389410094, 20778820188]

約数ペア:

[(1, 20778820188), (2, 10389410094), (3, 6926273396), (4, 5194705047), (6, 3463136698), (7, 2968402884), (12, 1731568349), (14, 1484201442), (21, 989467628), (28, 742100721), (42, 494733814), (84, 247366907), (131, 158616948), (262, 79308474), (393, 52872316), (524, 39654237), (571, 36390228), (786, 26436158), (917, 22659564), (1142, 18195114), (1572, 13218079), (1713, 12130076), (1834, 11329782), (2284, 9097557), (2751, 7553188), (3307, 6283284), (3426, 6065038), (3668, 5664891), (3997, 5198604), (5502, 3776594), (6614, 3141642), (6852, 3032519), (7994, 2599302), (9921, 2094428), (11004, 1888297), (11991, 1732868), (13228, 1570821), (15988, 1299651), (19842, 1047214), (23149, 897612), (23982, 866434), (39684, 523607), (46298, 448806), (47964, 433217), (69447, 299204), (74801, 277788), (92596, 224403), (138894, 149602)]