20507310

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{151}}^1\times {\mathrm{503}}^1$

素因数の和:670

約数の個数: 64

約数和(自身を含む): 55157760

約数和(自身を除く): 34650450

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 151, 270, 302, 453, 503, 755, 906, 1006, 1359, 1509, 1510, 2265, 2515, 2718, 3018, 4077, 4527, 4530, 5030, 6795, 7545, 8154, 9054, 13581, 13590, 15090, 20385, 22635, 27162, 40770, 45270, 67905, 75953, 135810, 151906, 227859, 379765, 455718, 683577, 759530, 1139295, 1367154, 2050731, 2278590, 3417885, 4101462, 6835770, 10253655, 20507310]

約数ペア:

[(1, 20507310), (2, 10253655), (3, 6835770), (5, 4101462), (6, 3417885), (9, 2278590), (10, 2050731), (15, 1367154), (18, 1139295), (27, 759530), (30, 683577), (45, 455718), (54, 379765), (90, 227859), (135, 151906), (151, 135810), (270, 75953), (302, 67905), (453, 45270), (503, 40770), (755, 27162), (906, 22635), (1006, 20385), (1359, 15090), (1509, 13590), (1510, 13581), (2265, 9054), (2515, 8154), (2718, 7545), (3018, 6795), (4077, 5030), (4527, 4530)]