20005821970

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{251}}^1\times {\mathrm{274843}}^1$

素因数の和:275130

約数の個数: 32

約数和(自身を含む): 37400771520

約数和(自身を除く): 17394949550

約数列:

[1, 2, 5, 10, 29, 58, 145, 251, 290, 502, 1255, 2510, 7279, 14558, 36395, 72790, 274843, 549686, 1374215, 2748430, 7970447, 15940894, 39852235, 68985593, 79704470, 137971186, 344927965, 689855930, 2000582197, 4001164394, 10002910985, 20005821970]

約数ペア:

[(1, 20005821970), (2, 10002910985), (5, 4001164394), (10, 2000582197), (29, 689855930), (58, 344927965), (145, 137971186), (251, 79704470), (290, 68985593), (502, 39852235), (1255, 15940894), (2510, 7970447), (7279, 2748430), (14558, 1374215), (36395, 549686), (72790, 274843)]