20343721185

素因数分解:

$3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{3504517}}^1$

素因数の和:3504574

約数の個数: 32

約数和(自身を含む): 37007710080

約数和(自身を除く): 16663988895

約数列:

[1, 3, 5, 9, 15, 27, 43, 45, 129, 135, 215, 387, 645, 1161, 1935, 5805, 3504517, 10513551, 17522585, 31540653, 52567755, 94621959, 150694231, 157703265, 452082693, 473109795, 753471155, 1356248079, 2260413465, 4068744237, 6781240395, 20343721185]

約数ペア:

[(1, 20343721185), (3, 6781240395), (5, 4068744237), (9, 2260413465), (15, 1356248079), (27, 753471155), (43, 473109795), (45, 452082693), (129, 157703265), (135, 150694231), (215, 94621959), (387, 52567755), (645, 31540653), (1161, 17522585), (1935, 10513551), (5805, 3504517)]