20452095

素因数分解:

$3^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1$

素因数の和:235

約数の個数: 56

約数和(自身を含む): 38193792

約数和(自身を除く): 17741697

約数列:

[1, 3, 5, 9, 15, 27, 31, 45, 81, 93, 135, 155, 181, 243, 279, 405, 465, 543, 729, 837, 905, 1215, 1395, 1629, 2511, 2715, 3645, 4185, 4887, 5611, 7533, 8145, 12555, 14661, 16833, 22599, 24435, 28055, 37665, 43983, 50499, 73305, 84165, 112995, 131949, 151497, 219915, 252495, 454491, 659745, 757485, 1363473, 2272455, 4090419, 6817365, 20452095]

約数ペア:

[(1, 20452095), (3, 6817365), (5, 4090419), (9, 2272455), (15, 1363473), (27, 757485), (31, 659745), (45, 454491), (81, 252495), (93, 219915), (135, 151497), (155, 131949), (181, 112995), (243, 84165), (279, 73305), (405, 50499), (465, 43983), (543, 37665), (729, 28055), (837, 24435), (905, 22599), (1215, 16833), (1395, 14661), (1629, 12555), (2511, 8145), (2715, 7533), (3645, 5611), (4185, 4887)]