20302906

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{563}}^1$

素因数の和:670

約数の個数: 32

約数和(自身を含む): 35058240

約数和(自身を除く): 14755334

約数列:

[1, 2, 13, 19, 26, 38, 73, 146, 247, 494, 563, 949, 1126, 1387, 1898, 2774, 7319, 10697, 14638, 18031, 21394, 36062, 41099, 82198, 139061, 278122, 534287, 780881, 1068574, 1561762, 10151453, 20302906]

約数ペア:

[(1, 20302906), (2, 10151453), (13, 1561762), (19, 1068574), (26, 780881), (38, 534287), (73, 278122), (146, 139061), (247, 82198), (494, 41099), (563, 36062), (949, 21394), (1126, 18031), (1387, 14638), (1898, 10697), (2774, 7319)]