20213088408

素因数分解:

$2^3\times 3^3\times {\mathrm{191}}^1\times {\mathrm{489943}}^1$

素因数の和:490149

約数の個数: 64

約数和(自身を含む): 56441548800

約数和(自身を除く): 36228460392

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 191, 216, 382, 573, 764, 1146, 1528, 1719, 2292, 3438, 4584, 5157, 6876, 10314, 13752, 20628, 41256, 489943, 979886, 1469829, 1959772, 2939658, 3919544, 4409487, 5879316, 8818974, 11758632, 13228461, 17637948, 26456922, 35275896, 52913844, 93579113, 105827688, 187158226, 280737339, 374316452, 561474678, 748632904, 842212017, 1122949356, 1684424034, 2245898712, 2526636051, 3368848068, 5053272102, 6737696136, 10106544204, 20213088408]

約数ペア:

[(1, 20213088408), (2, 10106544204), (3, 6737696136), (4, 5053272102), (6, 3368848068), (8, 2526636051), (9, 2245898712), (12, 1684424034), (18, 1122949356), (24, 842212017), (27, 748632904), (36, 561474678), (54, 374316452), (72, 280737339), (108, 187158226), (191, 105827688), (216, 93579113), (382, 52913844), (573, 35275896), (764, 26456922), (1146, 17637948), (1528, 13228461), (1719, 11758632), (2292, 8818974), (3438, 5879316), (4584, 4409487), (5157, 3919544), (6876, 2939658), (10314, 1959772), (13752, 1469829), (20628, 979886), (41256, 489943)]