20686993410

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1\times {\mathrm{2659}}^1$

素因数の和:2912

約数の個数: 128

約数和(自身を含む): 52516316160

約数和(自身を除く): 31829322750

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 37, 43, 74, 86, 111, 129, 163, 185, 215, 222, 258, 326, 370, 430, 489, 555, 645, 815, 978, 1110, 1290, 1591, 1630, 2445, 2659, 3182, 4773, 4890, 5318, 6031, 7009, 7955, 7977, 9546, 12062, 13295, 14018, 15910, 15954, 18093, 21027, 23865, 26590, 30155, 35045, 36186, 39885, 42054, 47730, 60310, 70090, 79770, 90465, 98383, 105135, 114337, 180930, 196766, 210270, 228674, 259333, 295149, 343011, 433417, 491915, 518666, 571685, 590298, 686022, 777999, 866834, 983830, 1143370, 1296665, 1300251, 1475745, 1555998, 1715055, 2167085, 2593330, 2600502, 2951490, 3430110, 3889995, 4230469, 4334170, 6501255, 7779990, 8460938, 12691407, 13002510, 16036429, 18636931, 21152345, 25382814, 32072858, 37273862, 42304690, 48109287, 55910793, 63457035, 80182145, 93184655, 96218574, 111821586, 126914070, 160364290, 186369310, 240546435, 279553965, 481092870, 559107930, 689566447, 1379132894, 2068699341, 3447832235, 4137398682, 6895664470, 10343496705, 20686993410]

約数ペア:

[(1, 20686993410), (2, 10343496705), (3, 6895664470), (5, 4137398682), (6, 3447832235), (10, 2068699341), (15, 1379132894), (30, 689566447), (37, 559107930), (43, 481092870), (74, 279553965), (86, 240546435), (111, 186369310), (129, 160364290), (163, 126914070), (185, 111821586), (215, 96218574), (222, 93184655), (258, 80182145), (326, 63457035), (370, 55910793), (430, 48109287), (489, 42304690), (555, 37273862), (645, 32072858), (815, 25382814), (978, 21152345), (1110, 18636931), (1290, 16036429), (1591, 13002510), (1630, 12691407), (2445, 8460938), (2659, 7779990), (3182, 6501255), (4773, 4334170), (4890, 4230469), (5318, 3889995), (6031, 3430110), (7009, 2951490), (7955, 2600502), (7977, 2593330), (9546, 2167085), (12062, 1715055), (13295, 1555998), (14018, 1475745), (15910, 1300251), (15954, 1296665), (18093, 1143370), (21027, 983830), (23865, 866834), (26590, 777999), (30155, 686022), (35045, 590298), (36186, 571685), (39885, 518666), (42054, 491915), (47730, 433417), (60310, 343011), (70090, 295149), (79770, 259333), (90465, 228674), (98383, 210270), (105135, 196766), (114337, 180930)]