20199291975

素因数分解:

$3^4\times 5^2\times {\mathrm{2417}}^1\times {\mathrm{4127}}^1$

素因数の和:6566

約数の個数: 60

約数和(自身を含む): 37440621504

約数和(自身を除く): 17241329529

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 405, 675, 2025, 2417, 4127, 7251, 12085, 12381, 20635, 21753, 36255, 37143, 60425, 61905, 65259, 103175, 108765, 111429, 181275, 185715, 195777, 309525, 326295, 334287, 543825, 557145, 928575, 978885, 1631475, 1671435, 2785725, 4894425, 8357175, 9974959, 29924877, 49874795, 89774631, 149624385, 249373975, 269323893, 448873155, 748121925, 807971679, 1346619465, 2244365775, 4039858395, 6733097325, 20199291975]

約数ペア:

[(1, 20199291975), (3, 6733097325), (5, 4039858395), (9, 2244365775), (15, 1346619465), (25, 807971679), (27, 748121925), (45, 448873155), (75, 269323893), (81, 249373975), (135, 149624385), (225, 89774631), (405, 49874795), (675, 29924877), (2025, 9974959), (2417, 8357175), (4127, 4894425), (7251, 2785725), (12085, 1671435), (12381, 1631475), (20635, 978885), (21753, 928575), (36255, 557145), (37143, 543825), (60425, 334287), (61905, 326295), (65259, 309525), (103175, 195777), (108765, 185715), (111429, 181275)]