20534810

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{607}}^1$

素因数の和:830

約数の個数: 32

約数和(自身を含む): 39398400

約数和(自身を除く): 18863590

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 199, 398, 607, 995, 1214, 1990, 3035, 3383, 6070, 6766, 10319, 16915, 20638, 33830, 51595, 103190, 120793, 241586, 603965, 1207930, 2053481, 4106962, 10267405, 20534810]

約数ペア:

[(1, 20534810), (2, 10267405), (5, 4106962), (10, 2053481), (17, 1207930), (34, 603965), (85, 241586), (170, 120793), (199, 103190), (398, 51595), (607, 33830), (995, 20638), (1214, 16915), (1990, 10319), (3035, 6766), (3383, 6070)]