20663136816

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{866161}}^1$

素因数の和:866250

約数の個数: 80

約数和(自身を含む): 61864754688

約数和(自身を除く): 41201617872

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 71, 84, 112, 142, 168, 213, 284, 336, 426, 497, 568, 852, 994, 1136, 1491, 1704, 1988, 2982, 3408, 3976, 5964, 7952, 11928, 23856, 866161, 1732322, 2598483, 3464644, 5196966, 6063127, 6929288, 10393932, 12126254, 13858576, 18189381, 20787864, 24252508, 36378762, 41575728, 48505016, 61497431, 72757524, 97010032, 122994862, 145515048, 184492293, 245989724, 291030096, 368984586, 430482017, 491979448, 737969172, 860964034, 983958896, 1291446051, 1475938344, 1721928068, 2582892102, 2951876688, 3443856136, 5165784204, 6887712272, 10331568408, 20663136816]

約数ペア:

[(1, 20663136816), (2, 10331568408), (3, 6887712272), (4, 5165784204), (6, 3443856136), (7, 2951876688), (8, 2582892102), (12, 1721928068), (14, 1475938344), (16, 1291446051), (21, 983958896), (24, 860964034), (28, 737969172), (42, 491979448), (48, 430482017), (56, 368984586), (71, 291030096), (84, 245989724), (112, 184492293), (142, 145515048), (168, 122994862), (213, 97010032), (284, 72757524), (336, 61497431), (426, 48505016), (497, 41575728), (568, 36378762), (852, 24252508), (994, 20787864), (1136, 18189381), (1491, 13858576), (1704, 12126254), (1988, 10393932), (2982, 6929288), (3408, 6063127), (3976, 5196966), (5964, 3464644), (7952, 2598483), (11928, 1732322), (23856, 866161)]