20075445

素因数分解:

$3^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:105

約数の個数: 96

約数和(自身を含む): 41094144

約数和(自身を除く): 21018699

約数列:

[1, 3, 5, 9, 13, 15, 27, 31, 39, 41, 45, 65, 81, 93, 117, 123, 135, 155, 195, 205, 243, 279, 351, 369, 403, 405, 465, 533, 585, 615, 837, 1053, 1107, 1209, 1215, 1271, 1395, 1599, 1755, 1845, 2015, 2511, 2665, 3159, 3321, 3627, 3813, 4185, 4797, 5265, 5535, 6045, 6355, 7533, 7995, 9963, 10881, 11439, 12555, 14391, 15795, 16523, 16605, 18135, 19065, 23985, 32643, 34317, 37665, 43173, 49569, 49815, 54405, 57195, 71955, 82615, 97929, 102951, 129519, 148707, 163215, 171585, 215865, 247845, 308853, 446121, 489645, 514755, 647595, 743535, 1338363, 1544265, 2230605, 4015089, 6691815, 20075445]

約数ペア:

[(1, 20075445), (3, 6691815), (5, 4015089), (9, 2230605), (13, 1544265), (15, 1338363), (27, 743535), (31, 647595), (39, 514755), (41, 489645), (45, 446121), (65, 308853), (81, 247845), (93, 215865), (117, 171585), (123, 163215), (135, 148707), (155, 129519), (195, 102951), (205, 97929), (243, 82615), (279, 71955), (351, 57195), (369, 54405), (403, 49815), (405, 49569), (465, 43173), (533, 37665), (585, 34317), (615, 32643), (837, 23985), (1053, 19065), (1107, 18135), (1209, 16605), (1215, 16523), (1271, 15795), (1395, 14391), (1599, 12555), (1755, 11439), (1845, 10881), (2015, 9963), (2511, 7995), (2665, 7533), (3159, 6355), (3321, 6045), (3627, 5535), (3813, 5265), (4185, 4797)]