20551314

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{359}}^1$

素因数の和:447

約数の個数: 64

約数和(自身を含む): 49766400

約数和(自身を除く): 29215086

約数列:

[1, 2, 3, 6, 7, 14, 21, 29, 42, 47, 58, 87, 94, 141, 174, 203, 282, 329, 359, 406, 609, 658, 718, 987, 1077, 1218, 1363, 1974, 2154, 2513, 2726, 4089, 5026, 7539, 8178, 9541, 10411, 15078, 16873, 19082, 20822, 28623, 31233, 33746, 50619, 57246, 62466, 72877, 101238, 118111, 145754, 218631, 236222, 354333, 437262, 489317, 708666, 978634, 1467951, 2935902, 3425219, 6850438, 10275657, 20551314]

約数ペア:

[(1, 20551314), (2, 10275657), (3, 6850438), (6, 3425219), (7, 2935902), (14, 1467951), (21, 978634), (29, 708666), (42, 489317), (47, 437262), (58, 354333), (87, 236222), (94, 218631), (141, 145754), (174, 118111), (203, 101238), (282, 72877), (329, 62466), (359, 57246), (406, 50619), (609, 33746), (658, 31233), (718, 28623), (987, 20822), (1077, 19082), (1218, 16873), (1363, 15078), (1974, 10411), (2154, 9541), (2513, 8178), (2726, 7539), (4089, 5026)]