20237886

素因数分解:

$2^1\times 3^2\times {\mathrm{67}}^1\times {\mathrm{97}}^1\times {\mathrm{173}}^1$

素因数の和:345

約数の個数: 48

約数和(自身を含む): 45221904

約数和(自身を除く): 24984018

約数列:

[1, 2, 3, 6, 9, 18, 67, 97, 134, 173, 194, 201, 291, 346, 402, 519, 582, 603, 873, 1038, 1206, 1557, 1746, 3114, 6499, 11591, 12998, 16781, 19497, 23182, 33562, 34773, 38994, 50343, 58491, 69546, 100686, 104319, 116982, 151029, 208638, 302058, 1124327, 2248654, 3372981, 6745962, 10118943, 20237886]

約数ペア:

[(1, 20237886), (2, 10118943), (3, 6745962), (6, 3372981), (9, 2248654), (18, 1124327), (67, 302058), (97, 208638), (134, 151029), (173, 116982), (194, 104319), (201, 100686), (291, 69546), (346, 58491), (402, 50343), (519, 38994), (582, 34773), (603, 33562), (873, 23182), (1038, 19497), (1206, 16781), (1557, 12998), (1746, 11591), (3114, 6499)]