20630764

素因数分解:

$2^2\times 7^3\times {\mathrm{11}}^1\times {\mathrm{1367}}^1$

素因数の和:1403

約数の個数: 48

約数和(自身を含む): 45964800

約数和(自身を除く): 25334036

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 98, 154, 196, 308, 343, 539, 686, 1078, 1367, 1372, 2156, 2734, 3773, 5468, 7546, 9569, 15037, 15092, 19138, 30074, 38276, 60148, 66983, 105259, 133966, 210518, 267932, 421036, 468881, 736813, 937762, 1473626, 1875524, 2947252, 5157691, 10315382, 20630764]

約数ペア:

[(1, 20630764), (2, 10315382), (4, 5157691), (7, 2947252), (11, 1875524), (14, 1473626), (22, 937762), (28, 736813), (44, 468881), (49, 421036), (77, 267932), (98, 210518), (154, 133966), (196, 105259), (308, 66983), (343, 60148), (539, 38276), (686, 30074), (1078, 19138), (1367, 15092), (1372, 15037), (2156, 9569), (2734, 7546), (3773, 5468)]