20169954512

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{898519}}^1$

素因数の和:898611

約数の個数: 40

約数和(自身を含む): 41446930560

約数和(自身を除く): 21276976048

約数列:

[1, 2, 4, 8, 16, 23, 46, 61, 92, 122, 184, 244, 368, 488, 976, 1403, 2806, 5612, 11224, 22448, 898519, 1797038, 3594076, 7188152, 14376304, 20665937, 41331874, 54809659, 82663748, 109619318, 165327496, 219238636, 330654992, 438477272, 876954544, 1260622157, 2521244314, 5042488628, 10084977256, 20169954512]

約数ペア:

[(1, 20169954512), (2, 10084977256), (4, 5042488628), (8, 2521244314), (16, 1260622157), (23, 876954544), (46, 438477272), (61, 330654992), (92, 219238636), (122, 165327496), (184, 109619318), (244, 82663748), (368, 54809659), (488, 41331874), (976, 20665937), (1403, 14376304), (2806, 7188152), (5612, 3594076), (11224, 1797038), (22448, 898519)]