20920291210

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{5449}}^1\times {\mathrm{4219}}^1$

素因数の和:9695

約数の個数: 64

約数和(自身を含む): 46365984000

約数和(自身を除く): 25445692790

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 4219, 5449, 8438, 10898, 21095, 27245, 29533, 38143, 42190, 54490, 54847, 59066, 70837, 76286, 109694, 141674, 147665, 190715, 274235, 295330, 354185, 381430, 383929, 495859, 548470, 708370, 767858, 991718, 1919645, 2479295, 3839290, 4958590, 22989331, 45978662, 114946655, 160925317, 229893310, 298861303, 321850634, 597722606, 804626585, 1494306515, 1609253170, 2092029121, 2988613030, 4184058242, 10460145605, 20920291210]

約数ペア:

[(1, 20920291210), (2, 10460145605), (5, 4184058242), (7, 2988613030), (10, 2092029121), (13, 1609253170), (14, 1494306515), (26, 804626585), (35, 597722606), (65, 321850634), (70, 298861303), (91, 229893310), (130, 160925317), (182, 114946655), (455, 45978662), (910, 22989331), (4219, 4958590), (5449, 3839290), (8438, 2479295), (10898, 1919645), (21095, 991718), (27245, 767858), (29533, 708370), (38143, 548470), (42190, 495859), (54490, 383929), (54847, 381430), (59066, 354185), (70837, 295330), (76286, 274235), (109694, 190715), (141674, 147665)]