20168777745

素因数分解:

$3^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{443}}^1\times {\mathrm{5297}}^1$

素因数の和:5942

約数の個数: 48

約数和(自身を含む): 35228224512

約数和(自身を除く): 15059446767

約数列:

[1, 3, 5, 9, 15, 45, 191, 443, 573, 955, 1329, 1719, 2215, 2865, 3987, 5297, 6645, 8595, 15891, 19935, 26485, 47673, 79455, 84613, 238365, 253839, 423065, 761517, 1011727, 1269195, 2346571, 3035181, 3807585, 5058635, 7039713, 9105543, 11732855, 15175905, 21119139, 35198565, 45527715, 105595695, 448195061, 1344585183, 2240975305, 4033755549, 6722925915, 20168777745]

約数ペア:

[(1, 20168777745), (3, 6722925915), (5, 4033755549), (9, 2240975305), (15, 1344585183), (45, 448195061), (191, 105595695), (443, 45527715), (573, 35198565), (955, 21119139), (1329, 15175905), (1719, 11732855), (2215, 9105543), (2865, 7039713), (3987, 5058635), (5297, 3807585), (6645, 3035181), (8595, 2346571), (15891, 1269195), (19935, 1011727), (26485, 761517), (47673, 423065), (79455, 253839), (84613, 238365)]