20783125910

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{22721}}^1$

素因数の和:22889

約数の個数: 64

約数和(自身を含む): 40402260864

約数和(自身を除く): 19619134954

約数列:

[1, 2, 5, 10, 23, 41, 46, 82, 97, 115, 194, 205, 230, 410, 485, 943, 970, 1886, 2231, 3977, 4462, 4715, 7954, 9430, 11155, 19885, 22310, 22721, 39770, 45442, 91471, 113605, 182942, 227210, 457355, 522583, 914710, 931561, 1045166, 1863122, 2203937, 2612915, 4407874, 4657805, 5225830, 9315610, 11019685, 21425903, 22039370, 42851806, 50690551, 90361417, 101381102, 107129515, 180722834, 214259030, 253452755, 451807085, 506905510, 903614170, 2078312591, 4156625182, 10391562955, 20783125910]

約数ペア:

[(1, 20783125910), (2, 10391562955), (5, 4156625182), (10, 2078312591), (23, 903614170), (41, 506905510), (46, 451807085), (82, 253452755), (97, 214259030), (115, 180722834), (194, 107129515), (205, 101381102), (230, 90361417), (410, 50690551), (485, 42851806), (943, 22039370), (970, 21425903), (1886, 11019685), (2231, 9315610), (3977, 5225830), (4462, 4657805), (4715, 4407874), (7954, 2612915), (9430, 2203937), (11155, 1863122), (19885, 1045166), (22310, 931561), (22721, 914710), (39770, 522583), (45442, 457355), (91471, 227210), (113605, 182942)]