20137060480

素因数分解:

$2^7\times 5^1\times {\mathrm{1021}}^1\times {\mathrm{30817}}^1$

素因数の和:31857

約数の個数: 64

約数和(自身を含む): 48188873880

約数和(自身を除く): 28051813400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 1021, 2042, 4084, 5105, 8168, 10210, 16336, 20420, 30817, 32672, 40840, 61634, 65344, 81680, 123268, 130688, 154085, 163360, 246536, 308170, 326720, 493072, 616340, 653440, 986144, 1232680, 1972288, 2465360, 3944576, 4930720, 9861440, 19722880, 31464157, 62928314, 125856628, 157320785, 251713256, 314641570, 503426512, 629283140, 1006853024, 1258566280, 2013706048, 2517132560, 4027412096, 5034265120, 10068530240, 20137060480]

約数ペア:

[(1, 20137060480), (2, 10068530240), (4, 5034265120), (5, 4027412096), (8, 2517132560), (10, 2013706048), (16, 1258566280), (20, 1006853024), (32, 629283140), (40, 503426512), (64, 314641570), (80, 251713256), (128, 157320785), (160, 125856628), (320, 62928314), (640, 31464157), (1021, 19722880), (2042, 9861440), (4084, 4930720), (5105, 3944576), (8168, 2465360), (10210, 1972288), (16336, 1232680), (20420, 986144), (30817, 653440), (32672, 616340), (40840, 493072), (61634, 326720), (65344, 308170), (81680, 246536), (123268, 163360), (130688, 154085)]