20346948

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{197}}^1$

素因数の和:377

約数の個数: 72

約数和(自身を含む): 54774720

約数和(自身を除く): 34427772

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 151, 171, 197, 228, 302, 342, 394, 453, 591, 604, 684, 788, 906, 1182, 1359, 1773, 1812, 2364, 2718, 2869, 3546, 3743, 5436, 5738, 7092, 7486, 8607, 11229, 11476, 14972, 17214, 22458, 25821, 29747, 33687, 34428, 44916, 51642, 59494, 67374, 89241, 103284, 118988, 134748, 178482, 267723, 356964, 535446, 565193, 1070892, 1130386, 1695579, 2260772, 3391158, 5086737, 6782316, 10173474, 20346948]

約数ペア:

[(1, 20346948), (2, 10173474), (3, 6782316), (4, 5086737), (6, 3391158), (9, 2260772), (12, 1695579), (18, 1130386), (19, 1070892), (36, 565193), (38, 535446), (57, 356964), (76, 267723), (114, 178482), (151, 134748), (171, 118988), (197, 103284), (228, 89241), (302, 67374), (342, 59494), (394, 51642), (453, 44916), (591, 34428), (604, 33687), (684, 29747), (788, 25821), (906, 22458), (1182, 17214), (1359, 14972), (1773, 11476), (1812, 11229), (2364, 8607), (2718, 7486), (2869, 7092), (3546, 5738), (3743, 5436)]