20153970

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{1483}}^1$

素因数の和:1647

約数の個数: 48

約数和(自身を含む): 52782912

約数和(自身を除く): 32628942

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 151, 302, 453, 755, 906, 1359, 1483, 1510, 2265, 2718, 2966, 4449, 4530, 6795, 7415, 8898, 13347, 13590, 14830, 22245, 26694, 44490, 66735, 133470, 223933, 447866, 671799, 1119665, 1343598, 2015397, 2239330, 3358995, 4030794, 6717990, 10076985, 20153970]

約数ペア:

[(1, 20153970), (2, 10076985), (3, 6717990), (5, 4030794), (6, 3358995), (9, 2239330), (10, 2015397), (15, 1343598), (18, 1119665), (30, 671799), (45, 447866), (90, 223933), (151, 133470), (302, 66735), (453, 44490), (755, 26694), (906, 22245), (1359, 14830), (1483, 13590), (1510, 13347), (2265, 8898), (2718, 7415), (2966, 6795), (4449, 4530)]