20910996

素因数分解:

$2^2\times 3^2\times {\mathrm{73}}^2\times {\mathrm{109}}^1$

素因数の和:265

約数の個数: 54

約数和(自身を含む): 54084030

約数和(自身を除く): 33173034

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 73, 109, 146, 218, 219, 292, 327, 436, 438, 654, 657, 876, 981, 1308, 1314, 1962, 2628, 3924, 5329, 7957, 10658, 15914, 15987, 21316, 23871, 31828, 31974, 47742, 47961, 63948, 71613, 95484, 95922, 143226, 191844, 286452, 580861, 1161722, 1742583, 2323444, 3485166, 5227749, 6970332, 10455498, 20910996]

約数ペア:

[(1, 20910996), (2, 10455498), (3, 6970332), (4, 5227749), (6, 3485166), (9, 2323444), (12, 1742583), (18, 1161722), (36, 580861), (73, 286452), (109, 191844), (146, 143226), (218, 95922), (219, 95484), (292, 71613), (327, 63948), (436, 47961), (438, 47742), (654, 31974), (657, 31828), (876, 23871), (981, 21316), (1308, 15987), (1314, 15914), (1962, 10658), (2628, 7957), (3924, 5329)]