20639598

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{211}}^1$

素因数の和:377

約数の個数: 64

約数和(自身を含む): 50554368

約数和(自身を除く): 29914770

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 34, 42, 51, 102, 119, 137, 211, 238, 274, 357, 411, 422, 633, 714, 822, 959, 1266, 1477, 1918, 2329, 2877, 2954, 3587, 4431, 4658, 5754, 6987, 7174, 8862, 10761, 13974, 16303, 21522, 25109, 28907, 32606, 48909, 50218, 57814, 75327, 86721, 97818, 150654, 173442, 202349, 404698, 491419, 607047, 982838, 1214094, 1474257, 2948514, 3439933, 6879866, 10319799, 20639598]

約数ペア:

[(1, 20639598), (2, 10319799), (3, 6879866), (6, 3439933), (7, 2948514), (14, 1474257), (17, 1214094), (21, 982838), (34, 607047), (42, 491419), (51, 404698), (102, 202349), (119, 173442), (137, 150654), (211, 97818), (238, 86721), (274, 75327), (357, 57814), (411, 50218), (422, 48909), (633, 32606), (714, 28907), (822, 25109), (959, 21522), (1266, 16303), (1477, 13974), (1918, 10761), (2329, 8862), (2877, 7174), (2954, 6987), (3587, 5754), (4431, 4658)]