20756340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{953}}^1$

素因数の和:990

約数の個数: 108

約数和(自身を含む): 69277572

約数和(自身を除く): 48521232

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 121, 132, 165, 180, 198, 220, 242, 330, 363, 396, 484, 495, 605, 660, 726, 953, 990, 1089, 1210, 1452, 1815, 1906, 1980, 2178, 2420, 2859, 3630, 3812, 4356, 4765, 5445, 5718, 7260, 8577, 9530, 10483, 10890, 11436, 14295, 17154, 19060, 20966, 21780, 28590, 31449, 34308, 41932, 42885, 52415, 57180, 62898, 85770, 94347, 104830, 115313, 125796, 157245, 171540, 188694, 209660, 230626, 314490, 345939, 377388, 461252, 471735, 576565, 628980, 691878, 943470, 1037817, 1153130, 1383756, 1729695, 1886940, 2075634, 2306260, 3459390, 4151268, 5189085, 6918780, 10378170, 20756340]

約数ペア:

[(1, 20756340), (2, 10378170), (3, 6918780), (4, 5189085), (5, 4151268), (6, 3459390), (9, 2306260), (10, 2075634), (11, 1886940), (12, 1729695), (15, 1383756), (18, 1153130), (20, 1037817), (22, 943470), (30, 691878), (33, 628980), (36, 576565), (44, 471735), (45, 461252), (55, 377388), (60, 345939), (66, 314490), (90, 230626), (99, 209660), (110, 188694), (121, 171540), (132, 157245), (165, 125796), (180, 115313), (198, 104830), (220, 94347), (242, 85770), (330, 62898), (363, 57180), (396, 52415), (484, 42885), (495, 41932), (605, 34308), (660, 31449), (726, 28590), (953, 21780), (990, 20966), (1089, 19060), (1210, 17154), (1452, 14295), (1815, 11436), (1906, 10890), (1980, 10483), (2178, 9530), (2420, 8577), (2859, 7260), (3630, 5718), (3812, 5445), (4356, 4765)]