20193369990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{643}}^1\times {\mathrm{22273}}^1$

素因数の和:22973

約数の個数: 64

約数和(自身を含む): 49574439936

約数和(自身を除く): 29381069946

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 47, 94, 141, 235, 282, 470, 643, 705, 1286, 1410, 1929, 3215, 3858, 6430, 9645, 19290, 22273, 30221, 44546, 60442, 66819, 90663, 111365, 133638, 151105, 181326, 222730, 302210, 334095, 453315, 668190, 906630, 1046831, 2093662, 3140493, 5234155, 6280986, 10468310, 14321539, 15702465, 28643078, 31404930, 42964617, 71607695, 85929234, 143215390, 214823085, 429646170, 673112333, 1346224666, 2019336999, 3365561665, 4038673998, 6731123330, 10096684995, 20193369990]

約数ペア:

[(1, 20193369990), (2, 10096684995), (3, 6731123330), (5, 4038673998), (6, 3365561665), (10, 2019336999), (15, 1346224666), (30, 673112333), (47, 429646170), (94, 214823085), (141, 143215390), (235, 85929234), (282, 71607695), (470, 42964617), (643, 31404930), (705, 28643078), (1286, 15702465), (1410, 14321539), (1929, 10468310), (3215, 6280986), (3858, 5234155), (6430, 3140493), (9645, 2093662), (19290, 1046831), (22273, 906630), (30221, 668190), (44546, 453315), (60442, 334095), (66819, 302210), (90663, 222730), (111365, 181326), (133638, 151105)]