20818357952

素因数分解:

$2^6\times 7^2\times {\mathrm{1879}}^1\times {\mathrm{3533}}^1$

素因数の和:5438

約数の個数: 84

約数和(自身を含む): 48095336880

約数和(自身を除く): 27276978928

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 196, 224, 392, 448, 784, 1568, 1879, 3136, 3533, 3758, 7066, 7516, 13153, 14132, 15032, 24731, 26306, 28264, 30064, 49462, 52612, 56528, 60128, 92071, 98924, 105224, 113056, 120256, 173117, 184142, 197848, 210448, 226112, 346234, 368284, 395696, 420896, 692468, 736568, 791392, 841792, 1384936, 1473136, 1582784, 2769872, 2946272, 5539744, 5892544, 6638507, 11079488, 13277014, 26554028, 46469549, 53108056, 92939098, 106216112, 185878196, 212432224, 325286843, 371756392, 424864448, 650573686, 743512784, 1301147372, 1487025568, 2602294744, 2974051136, 5204589488, 10409178976, 20818357952]

約数ペア:

[(1, 20818357952), (2, 10409178976), (4, 5204589488), (7, 2974051136), (8, 2602294744), (14, 1487025568), (16, 1301147372), (28, 743512784), (32, 650573686), (49, 424864448), (56, 371756392), (64, 325286843), (98, 212432224), (112, 185878196), (196, 106216112), (224, 92939098), (392, 53108056), (448, 46469549), (784, 26554028), (1568, 13277014), (1879, 11079488), (3136, 6638507), (3533, 5892544), (3758, 5539744), (7066, 2946272), (7516, 2769872), (13153, 1582784), (14132, 1473136), (15032, 1384936), (24731, 841792), (26306, 791392), (28264, 736568), (30064, 692468), (49462, 420896), (52612, 395696), (56528, 368284), (60128, 346234), (92071, 226112), (98924, 210448), (105224, 197848), (113056, 184142), (120256, 173117)]