20895948

素因数分解:

$2^2\times 3^3\times {\mathrm{163}}^1\times {\mathrm{1187}}^1$

素因数の和:1363

約数の個数: 48

約数和(自身を含む): 54552960

約数和(自身を除く): 33657012

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 163, 326, 489, 652, 978, 1187, 1467, 1956, 2374, 2934, 3561, 4401, 4748, 5868, 7122, 8802, 10683, 14244, 17604, 21366, 32049, 42732, 64098, 128196, 193481, 386962, 580443, 773924, 1160886, 1741329, 2321772, 3482658, 5223987, 6965316, 10447974, 20895948]

約数ペア:

[(1, 20895948), (2, 10447974), (3, 6965316), (4, 5223987), (6, 3482658), (9, 2321772), (12, 1741329), (18, 1160886), (27, 773924), (36, 580443), (54, 386962), (108, 193481), (163, 128196), (326, 64098), (489, 42732), (652, 32049), (978, 21366), (1187, 17604), (1467, 14244), (1956, 10683), (2374, 8802), (2934, 7122), (3561, 5868), (4401, 4748)]