20575260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{757}}^1$

素因数の和:923

約数の個数: 72

約数和(自身を含む): 62907936

約数和(自身を除く): 42332676

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 151, 180, 302, 453, 604, 755, 757, 906, 1359, 1510, 1514, 1812, 2265, 2271, 2718, 3020, 3028, 3785, 4530, 4542, 5436, 6795, 6813, 7570, 9060, 9084, 11355, 13590, 13626, 15140, 22710, 27180, 27252, 34065, 45420, 68130, 114307, 136260, 228614, 342921, 457228, 571535, 685842, 1028763, 1143070, 1371684, 1714605, 2057526, 2286140, 3429210, 4115052, 5143815, 6858420, 10287630, 20575260]

約数ペア:

[(1, 20575260), (2, 10287630), (3, 6858420), (4, 5143815), (5, 4115052), (6, 3429210), (9, 2286140), (10, 2057526), (12, 1714605), (15, 1371684), (18, 1143070), (20, 1028763), (30, 685842), (36, 571535), (45, 457228), (60, 342921), (90, 228614), (151, 136260), (180, 114307), (302, 68130), (453, 45420), (604, 34065), (755, 27252), (757, 27180), (906, 22710), (1359, 15140), (1510, 13626), (1514, 13590), (1812, 11355), (2265, 9084), (2271, 9060), (2718, 7570), (3020, 6813), (3028, 6795), (3785, 5436), (4530, 4542)]