20797439730

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{257}}^1\times {\mathrm{117281}}^1$

素因数の和:117571

約数の個数: 64

約数和(自身を含む): 52287130368

約数和(自身を除く): 31489690638

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 257, 345, 514, 690, 771, 1285, 1542, 2570, 3855, 5911, 7710, 11822, 17733, 29555, 35466, 59110, 88665, 117281, 177330, 234562, 351843, 586405, 703686, 1172810, 1759215, 2697463, 3518430, 5394926, 8092389, 13487315, 16184778, 26974630, 30141217, 40461945, 60282434, 80923890, 90423651, 150706085, 180847302, 301412170, 452118255, 693247991, 904236510, 1386495982, 2079743973, 3466239955, 4159487946, 6932479910, 10398719865, 20797439730]

約数ペア:

[(1, 20797439730), (2, 10398719865), (3, 6932479910), (5, 4159487946), (6, 3466239955), (10, 2079743973), (15, 1386495982), (23, 904236510), (30, 693247991), (46, 452118255), (69, 301412170), (115, 180847302), (138, 150706085), (230, 90423651), (257, 80923890), (345, 60282434), (514, 40461945), (690, 30141217), (771, 26974630), (1285, 16184778), (1542, 13487315), (2570, 8092389), (3855, 5394926), (5911, 3518430), (7710, 2697463), (11822, 1759215), (17733, 1172810), (29555, 703686), (35466, 586405), (59110, 351843), (88665, 234562), (117281, 177330)]