20165370

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{37}}^2\times {\mathrm{491}}^1$

素因数の和:575

約数の個数: 48

約数和(自身を含む): 49841568

約数和(自身を除く): 29676198

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 37, 74, 111, 185, 222, 370, 491, 555, 982, 1110, 1369, 1473, 2455, 2738, 2946, 4107, 4910, 6845, 7365, 8214, 13690, 14730, 18167, 20535, 36334, 41070, 54501, 90835, 109002, 181670, 272505, 545010, 672179, 1344358, 2016537, 3360895, 4033074, 6721790, 10082685, 20165370]

約数ペア:

[(1, 20165370), (2, 10082685), (3, 6721790), (5, 4033074), (6, 3360895), (10, 2016537), (15, 1344358), (30, 672179), (37, 545010), (74, 272505), (111, 181670), (185, 109002), (222, 90835), (370, 54501), (491, 41070), (555, 36334), (982, 20535), (1110, 18167), (1369, 14730), (1473, 13690), (2455, 8214), (2738, 7365), (2946, 6845), (4107, 4910)]