20603524

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{431}}^1$

素因数の和:508

約数の個数: 48

約数和(自身を含む): 41368320

約数和(自身を除く): 20764796

約数列:

[1, 2, 4, 17, 19, 34, 37, 38, 68, 74, 76, 148, 323, 431, 629, 646, 703, 862, 1258, 1292, 1406, 1724, 2516, 2812, 7327, 8189, 11951, 14654, 15947, 16378, 23902, 29308, 31894, 32756, 47804, 63788, 139213, 271099, 278426, 302993, 542198, 556852, 605986, 1084396, 1211972, 5150881, 10301762, 20603524]

約数ペア:

[(1, 20603524), (2, 10301762), (4, 5150881), (17, 1211972), (19, 1084396), (34, 605986), (37, 556852), (38, 542198), (68, 302993), (74, 278426), (76, 271099), (148, 139213), (323, 63788), (431, 47804), (629, 32756), (646, 31894), (703, 29308), (862, 23902), (1258, 16378), (1292, 15947), (1406, 14654), (1724, 11951), (2516, 8189), (2812, 7327)]