20047599

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{421}}^1$

素因数の和:488

約数の個数: 48

約数和(自身を含む): 35022624

約数和(自身を除く): 14975025

約数列:

[1, 3, 9, 11, 13, 33, 37, 39, 99, 111, 117, 143, 333, 407, 421, 429, 481, 1221, 1263, 1287, 1443, 3663, 3789, 4329, 4631, 5291, 5473, 13893, 15577, 15873, 16419, 41679, 46731, 47619, 49257, 60203, 140193, 171347, 180609, 202501, 514041, 541827, 607503, 1542123, 1822509, 2227511, 6682533, 20047599]

約数ペア:

[(1, 20047599), (3, 6682533), (9, 2227511), (11, 1822509), (13, 1542123), (33, 607503), (37, 541827), (39, 514041), (99, 202501), (111, 180609), (117, 171347), (143, 140193), (333, 60203), (407, 49257), (421, 47619), (429, 46731), (481, 41679), (1221, 16419), (1263, 15873), (1287, 15577), (1443, 13893), (3663, 5473), (3789, 5291), (4329, 4631)]