20549802

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{617}}^1$

素因数の和:703

約数の個数: 64

約数和(自身を含む): 51496704

約数和(自身を除く): 30946902

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 61, 78, 91, 122, 182, 183, 273, 366, 427, 546, 617, 793, 854, 1234, 1281, 1586, 1851, 2379, 2562, 3702, 4319, 4758, 5551, 8021, 8638, 11102, 12957, 16042, 16653, 24063, 25914, 33306, 37637, 48126, 56147, 75274, 112294, 112911, 168441, 225822, 263459, 336882, 489281, 526918, 790377, 978562, 1467843, 1580754, 2935686, 3424967, 6849934, 10274901, 20549802]

約数ペア:

[(1, 20549802), (2, 10274901), (3, 6849934), (6, 3424967), (7, 2935686), (13, 1580754), (14, 1467843), (21, 978562), (26, 790377), (39, 526918), (42, 489281), (61, 336882), (78, 263459), (91, 225822), (122, 168441), (182, 112911), (183, 112294), (273, 75274), (366, 56147), (427, 48126), (546, 37637), (617, 33306), (793, 25914), (854, 24063), (1234, 16653), (1281, 16042), (1586, 12957), (1851, 11102), (2379, 8638), (2562, 8021), (3702, 5551), (4319, 4758)]