20145803790

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{877}}^1\times {\mathrm{109387}}^1$

素因数の和:110281

約数の個数: 64

約数和(自身を含む): 55320574464

約数和(自身を除く): 35174770674

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 877, 1754, 2631, 4385, 5262, 6139, 8770, 12278, 13155, 18417, 26310, 30695, 36834, 61390, 92085, 109387, 184170, 218774, 328161, 546935, 656322, 765709, 1093870, 1531418, 1640805, 2297127, 3281610, 3828545, 4594254, 7657090, 11485635, 22971270, 95932399, 191864798, 287797197, 479661995, 575594394, 671526793, 959323990, 1343053586, 1438985985, 2014580379, 2877971970, 3357633965, 4029160758, 6715267930, 10072901895, 20145803790]

約数ペア:

[(1, 20145803790), (2, 10072901895), (3, 6715267930), (5, 4029160758), (6, 3357633965), (7, 2877971970), (10, 2014580379), (14, 1438985985), (15, 1343053586), (21, 959323990), (30, 671526793), (35, 575594394), (42, 479661995), (70, 287797197), (105, 191864798), (210, 95932399), (877, 22971270), (1754, 11485635), (2631, 7657090), (4385, 4594254), (5262, 3828545), (6139, 3281610), (8770, 2297127), (12278, 1640805), (13155, 1531418), (18417, 1093870), (26310, 765709), (30695, 656322), (36834, 546935), (61390, 328161), (92085, 218774), (109387, 184170)]