20161559685

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{2663}}^1\times {\mathrm{10739}}^1$

素因数の和:13457

約数の個数: 32

約数和(自身を含む): 32960286720

約数和(自身を除く): 12798727035

約数列:

[1, 3, 5, 15, 47, 141, 235, 705, 2663, 7989, 10739, 13315, 32217, 39945, 53695, 125161, 161085, 375483, 504733, 625805, 1514199, 1877415, 2523665, 7570995, 28597957, 85793871, 142989785, 428969355, 1344103979, 4032311937, 6720519895, 20161559685]

約数ペア:

[(1, 20161559685), (3, 6720519895), (5, 4032311937), (15, 1344103979), (47, 428969355), (141, 142989785), (235, 85793871), (705, 28597957), (2663, 7570995), (7989, 2523665), (10739, 1877415), (13315, 1514199), (32217, 625805), (39945, 504733), (53695, 375483), (125161, 161085)]