20199821648

素因数分解:

$2^4\times {\mathrm{97}}^1\times {\mathrm{1489}}^1\times {\mathrm{8741}}^1$

素因数の和:10335

約数の個数: 40

約数和(自身を含む): 39571712040

約数和(自身を除く): 19371890392

約数列:

[1, 2, 4, 8, 16, 97, 194, 388, 776, 1489, 1552, 2978, 5956, 8741, 11912, 17482, 23824, 34964, 69928, 139856, 144433, 288866, 577732, 847877, 1155464, 1695754, 2310928, 3391508, 6783016, 13015349, 13566032, 26030698, 52061396, 104122792, 208245584, 1262488853, 2524977706, 5049955412, 10099910824, 20199821648]

約数ペア:

[(1, 20199821648), (2, 10099910824), (4, 5049955412), (8, 2524977706), (16, 1262488853), (97, 208245584), (194, 104122792), (388, 52061396), (776, 26030698), (1489, 13566032), (1552, 13015349), (2978, 6783016), (5956, 3391508), (8741, 2310928), (11912, 1695754), (17482, 1155464), (23824, 847877), (34964, 577732), (69928, 288866), (139856, 144433)]