20952583659

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{439}}^1\times {\mathrm{13291}}^1$

素因数の和:13765

約数の個数: 64

約数和(自身を含む): 37430272000

約数和(自身を除く): 16477688341

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 133, 171, 189, 399, 439, 513, 1197, 1317, 3073, 3591, 3951, 8341, 9219, 11853, 13291, 25023, 27657, 39873, 58387, 75069, 82971, 93037, 119619, 175161, 225207, 252529, 279111, 358857, 525483, 757587, 837333, 1576449, 1767703, 2272761, 2511999, 5303109, 5834749, 6818283, 15909327, 17504247, 40843243, 47727981, 52512741, 110860231, 122529729, 157538223, 332580693, 367589187, 776021617, 997742079, 1102767561, 2328064851, 2993226237, 6984194553, 20952583659]

約数ペア:

[(1, 20952583659), (3, 6984194553), (7, 2993226237), (9, 2328064851), (19, 1102767561), (21, 997742079), (27, 776021617), (57, 367589187), (63, 332580693), (133, 157538223), (171, 122529729), (189, 110860231), (399, 52512741), (439, 47727981), (513, 40843243), (1197, 17504247), (1317, 15909327), (3073, 6818283), (3591, 5834749), (3951, 5303109), (8341, 2511999), (9219, 2272761), (11853, 1767703), (13291, 1576449), (25023, 837333), (27657, 757587), (39873, 525483), (58387, 358857), (75069, 279111), (82971, 252529), (93037, 225207), (119619, 175161)]