20881013088

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{16731581}}^1$

素因数の和:16731607

約数の個数: 48

約数和(自身を含む): 59029021296

約数和(自身を除く): 38148008208

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 78, 96, 104, 156, 208, 312, 416, 624, 1248, 16731581, 33463162, 50194743, 66926324, 100389486, 133852648, 200778972, 217510553, 267705296, 401557944, 435021106, 535410592, 652531659, 803115888, 870042212, 1305063318, 1606231776, 1740084424, 2610126636, 3480168848, 5220253272, 6960337696, 10440506544, 20881013088]

約数ペア:

[(1, 20881013088), (2, 10440506544), (3, 6960337696), (4, 5220253272), (6, 3480168848), (8, 2610126636), (12, 1740084424), (13, 1606231776), (16, 1305063318), (24, 870042212), (26, 803115888), (32, 652531659), (39, 535410592), (48, 435021106), (52, 401557944), (78, 267705296), (96, 217510553), (104, 200778972), (156, 133852648), (208, 100389486), (312, 66926324), (416, 50194743), (624, 33463162), (1248, 16731581)]