20212777718

素因数分解:

$2^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{359}}^1\times {\mathrm{619}}^1$

素因数の和:1149

約数の個数: 64

約数和(自身を含む): 35676288000

約数和(自身を除く): 15463510282

約数列:

[1, 2, 7, 14, 73, 89, 146, 178, 359, 511, 619, 623, 718, 1022, 1238, 1246, 2513, 4333, 5026, 6497, 8666, 12994, 26207, 31951, 45187, 45479, 52414, 55091, 63902, 90374, 90958, 110182, 183449, 222221, 223657, 316309, 366898, 385637, 444442, 447314, 632618, 771274, 1555547, 2332423, 3111094, 4021643, 4664846, 8043286, 16222133, 16326961, 19777669, 28151501, 32444266, 32653922, 39555338, 56303002, 113554931, 138443683, 227109862, 276887366, 1443769837, 2887539674, 10106388859, 20212777718]

約数ペア:

[(1, 20212777718), (2, 10106388859), (7, 2887539674), (14, 1443769837), (73, 276887366), (89, 227109862), (146, 138443683), (178, 113554931), (359, 56303002), (511, 39555338), (619, 32653922), (623, 32444266), (718, 28151501), (1022, 19777669), (1238, 16326961), (1246, 16222133), (2513, 8043286), (4333, 4664846), (5026, 4021643), (6497, 3111094), (8666, 2332423), (12994, 1555547), (26207, 771274), (31951, 632618), (45187, 447314), (45479, 444442), (52414, 385637), (55091, 366898), (63902, 316309), (90374, 223657), (90958, 222221), (110182, 183449)]