2020105240

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{601}}^1\times {\mathrm{4943}}^1$

素因数の和:5572

約数の個数: 64

約数和(自身を含む): 4821586560

約数和(自身を除く): 2801481320

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 601, 680, 1202, 2404, 3005, 4808, 4943, 6010, 9886, 10217, 12020, 19772, 20434, 24040, 24715, 39544, 40868, 49430, 51085, 81736, 84031, 98860, 102170, 168062, 197720, 204340, 336124, 408680, 420155, 672248, 840310, 1680620, 2970743, 3361240, 5941486, 11882972, 14853715, 23765944, 29707430, 50502631, 59414860, 101005262, 118829720, 202010524, 252513155, 404021048, 505026310, 1010052620, 2020105240]

約数ペア:

[(1, 2020105240), (2, 1010052620), (4, 505026310), (5, 404021048), (8, 252513155), (10, 202010524), (17, 118829720), (20, 101005262), (34, 59414860), (40, 50502631), (68, 29707430), (85, 23765944), (136, 14853715), (170, 11882972), (340, 5941486), (601, 3361240), (680, 2970743), (1202, 1680620), (2404, 840310), (3005, 672248), (4808, 420155), (4943, 408680), (6010, 336124), (9886, 204340), (10217, 197720), (12020, 168062), (19772, 102170), (20434, 98860), (24040, 84031), (24715, 81736), (39544, 51085), (40868, 49430)]