20711460

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{4483}}^1$

素因数の和:4513

約数の個数: 96

約数和(自身を含む): 72317952

約数和(自身を除く): 51606492

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 28, 30, 33, 35, 42, 44, 55, 60, 66, 70, 77, 84, 105, 110, 132, 140, 154, 165, 210, 220, 231, 308, 330, 385, 420, 462, 660, 770, 924, 1155, 1540, 2310, 4483, 4620, 8966, 13449, 17932, 22415, 26898, 31381, 44830, 49313, 53796, 62762, 67245, 89660, 94143, 98626, 125524, 134490, 147939, 156905, 188286, 197252, 246565, 268980, 295878, 313810, 345191, 376572, 470715, 493130, 591756, 627620, 690382, 739695, 941430, 986260, 1035573, 1380764, 1479390, 1725955, 1882860, 2071146, 2958780, 3451910, 4142292, 5177865, 6903820, 10355730, 20711460]

約数ペア:

[(1, 20711460), (2, 10355730), (3, 6903820), (4, 5177865), (5, 4142292), (6, 3451910), (7, 2958780), (10, 2071146), (11, 1882860), (12, 1725955), (14, 1479390), (15, 1380764), (20, 1035573), (21, 986260), (22, 941430), (28, 739695), (30, 690382), (33, 627620), (35, 591756), (42, 493130), (44, 470715), (55, 376572), (60, 345191), (66, 313810), (70, 295878), (77, 268980), (84, 246565), (105, 197252), (110, 188286), (132, 156905), (140, 147939), (154, 134490), (165, 125524), (210, 98626), (220, 94143), (231, 89660), (308, 67245), (330, 62762), (385, 53796), (420, 49313), (462, 44830), (660, 31381), (770, 26898), (924, 22415), (1155, 17932), (1540, 13449), (2310, 8966), (4483, 4620)]