20005141072

素因数分解:

$2^4\times 7^1\times {\mathrm{37313}}^1\times {\mathrm{4787}}^1$

素因数の和:42115

約数の個数: 40

約数和(自身を含む): 44307539136

約数和(自身を除く): 24302398064

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 4787, 9574, 19148, 33509, 37313, 38296, 67018, 74626, 76592, 134036, 149252, 261191, 268072, 298504, 522382, 536144, 597008, 1044764, 2089528, 4179056, 178617331, 357234662, 714469324, 1250321317, 1428938648, 2500642634, 2857877296, 5001285268, 10002570536, 20005141072]

約数ペア:

[(1, 20005141072), (2, 10002570536), (4, 5001285268), (7, 2857877296), (8, 2500642634), (14, 1428938648), (16, 1250321317), (28, 714469324), (56, 357234662), (112, 178617331), (4787, 4179056), (9574, 2089528), (19148, 1044764), (33509, 597008), (37313, 536144), (38296, 522382), (67018, 298504), (74626, 268072), (76592, 261191), (134036, 149252)]