204022020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{131}}^1\times {\mathrm{257}}^1$

素因数の和:501

約数の個数: 96

約数和(自身を含む): 583583616

約数和(自身を除く): 379561596

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 101, 131, 202, 257, 262, 303, 393, 404, 505, 514, 524, 606, 655, 771, 786, 1010, 1028, 1212, 1285, 1310, 1515, 1542, 1572, 1965, 2020, 2570, 2620, 3030, 3084, 3855, 3930, 5140, 6060, 7710, 7860, 13231, 15420, 25957, 26462, 33667, 39693, 51914, 52924, 66155, 67334, 77871, 79386, 101001, 103828, 129785, 132310, 134668, 155742, 158772, 168335, 198465, 202002, 259570, 264620, 311484, 336670, 389355, 396930, 404004, 505005, 519140, 673340, 778710, 793860, 1010010, 1557420, 2020020, 3400367, 6800734, 10201101, 13601468, 17001835, 20402202, 34003670, 40804404, 51005505, 68007340, 102011010, 204022020]

約数ペア:

[(1, 204022020), (2, 102011010), (3, 68007340), (4, 51005505), (5, 40804404), (6, 34003670), (10, 20402202), (12, 17001835), (15, 13601468), (20, 10201101), (30, 6800734), (60, 3400367), (101, 2020020), (131, 1557420), (202, 1010010), (257, 793860), (262, 778710), (303, 673340), (393, 519140), (404, 505005), (505, 404004), (514, 396930), (524, 389355), (606, 336670), (655, 311484), (771, 264620), (786, 259570), (1010, 202002), (1028, 198465), (1212, 168335), (1285, 158772), (1310, 155742), (1515, 134668), (1542, 132310), (1572, 129785), (1965, 103828), (2020, 101001), (2570, 79386), (2620, 77871), (3030, 67334), (3084, 66155), (3855, 52924), (3930, 51914), (5140, 39693), (6060, 33667), (7710, 26462), (7860, 25957), (13231, 15420)]