20687558332

素因数分解:

$2^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{233}}^1\times {\mathrm{26647}}^1$

素因数の和:26915

約数の個数: 72

約数和(自身を含む): 44784309024

約数和(自身を除く): 24096750692

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 49, 68, 98, 119, 196, 233, 238, 466, 476, 833, 932, 1631, 1666, 3262, 3332, 3961, 6524, 7922, 11417, 15844, 22834, 26647, 27727, 45668, 53294, 55454, 106588, 110908, 186529, 194089, 373058, 388178, 452999, 746116, 776356, 905998, 1305703, 1811996, 2611406, 3170993, 5222812, 6208751, 6341986, 12417502, 12683972, 22196951, 24835004, 43461257, 44393902, 86922514, 88787804, 105548767, 173845028, 211097534, 304228799, 422195068, 608457598, 738841369, 1216915196, 1477682738, 2955365476, 5171889583, 10343779166, 20687558332]

約数ペア:

[(1, 20687558332), (2, 10343779166), (4, 5171889583), (7, 2955365476), (14, 1477682738), (17, 1216915196), (28, 738841369), (34, 608457598), (49, 422195068), (68, 304228799), (98, 211097534), (119, 173845028), (196, 105548767), (233, 88787804), (238, 86922514), (466, 44393902), (476, 43461257), (833, 24835004), (932, 22196951), (1631, 12683972), (1666, 12417502), (3262, 6341986), (3332, 6208751), (3961, 5222812), (6524, 3170993), (7922, 2611406), (11417, 1811996), (15844, 1305703), (22834, 905998), (26647, 776356), (27727, 746116), (45668, 452999), (53294, 388178), (55454, 373058), (106588, 194089), (110908, 186529)]