20735860131

素因数分解:

$3^2\times 7^2\times {\mathrm{113}}^1\times {\mathrm{416107}}^1$

素因数の和:416240

約数の個数: 36

約数和(自身を含む): 35150307192

約数和(自身を除く): 14414447061

約数列:

[1, 3, 7, 9, 21, 49, 63, 113, 147, 339, 441, 791, 1017, 2373, 5537, 7119, 16611, 49833, 416107, 1248321, 2912749, 3744963, 8738247, 20389243, 26214741, 47020091, 61167729, 141060273, 183503187, 329140637, 423180819, 987421911, 2303984459, 2962265733, 6911953377, 20735860131]

約数ペア:

[(1, 20735860131), (3, 6911953377), (7, 2962265733), (9, 2303984459), (21, 987421911), (49, 423180819), (63, 329140637), (113, 183503187), (147, 141060273), (339, 61167729), (441, 47020091), (791, 26214741), (1017, 20389243), (2373, 8738247), (5537, 3744963), (7119, 2912749), (16611, 1248321), (49833, 416107)]