20815728032

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{712477}}^1$

素因数の和:712581

約数の個数: 48

約数和(自身を含む): 45245202912

約数和(自身を除く): 24429474880

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 83, 88, 166, 176, 332, 352, 664, 913, 1328, 1826, 2656, 3652, 7304, 14608, 29216, 712477, 1424954, 2849908, 5699816, 7837247, 11399632, 15674494, 22799264, 31348988, 59135591, 62697976, 118271182, 125395952, 236542364, 250791904, 473084728, 650491501, 946169456, 1300983002, 1892338912, 2601966004, 5203932008, 10407864016, 20815728032]

約数ペア:

[(1, 20815728032), (2, 10407864016), (4, 5203932008), (8, 2601966004), (11, 1892338912), (16, 1300983002), (22, 946169456), (32, 650491501), (44, 473084728), (83, 250791904), (88, 236542364), (166, 125395952), (176, 118271182), (332, 62697976), (352, 59135591), (664, 31348988), (913, 22799264), (1328, 15674494), (1826, 11399632), (2656, 7837247), (3652, 5699816), (7304, 2849908), (14608, 1424954), (29216, 712477)]