16920870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{179}}^1$

素因数の和:349

約数の個数: 64

約数和(自身を含む): 42923520

約数和(自身を除く): 26002650

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 137, 138, 179, 230, 274, 345, 358, 411, 537, 685, 690, 822, 895, 1074, 1370, 1790, 2055, 2685, 3151, 4110, 4117, 5370, 6302, 8234, 9453, 12351, 15755, 18906, 20585, 24523, 24702, 31510, 41170, 47265, 49046, 61755, 73569, 94530, 122615, 123510, 147138, 245230, 367845, 564029, 735690, 1128058, 1692087, 2820145, 3384174, 5640290, 8460435, 16920870]

約数ペア:

[(1, 16920870), (2, 8460435), (3, 5640290), (5, 3384174), (6, 2820145), (10, 1692087), (15, 1128058), (23, 735690), (30, 564029), (46, 367845), (69, 245230), (115, 147138), (137, 123510), (138, 122615), (179, 94530), (230, 73569), (274, 61755), (345, 49046), (358, 47265), (411, 41170), (537, 31510), (685, 24702), (690, 24523), (822, 20585), (895, 18906), (1074, 15755), (1370, 12351), (1790, 9453), (2055, 8234), (2685, 6302), (3151, 5370), (4110, 4117)]