20813130

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17789}}^1$

素因数の和:17815

約数の個数: 48

約数和(自身を含む): 58280040

約数和(自身を除く): 37466910

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 195, 234, 390, 585, 1170, 17789, 35578, 53367, 88945, 106734, 160101, 177890, 231257, 266835, 320202, 462514, 533670, 693771, 800505, 1156285, 1387542, 1601010, 2081313, 2312570, 3468855, 4162626, 6937710, 10406565, 20813130]

約数ペア:

[(1, 20813130), (2, 10406565), (3, 6937710), (5, 4162626), (6, 3468855), (9, 2312570), (10, 2081313), (13, 1601010), (15, 1387542), (18, 1156285), (26, 800505), (30, 693771), (39, 533670), (45, 462514), (65, 320202), (78, 266835), (90, 231257), (117, 177890), (130, 160101), (195, 106734), (234, 88945), (390, 53367), (585, 35578), (1170, 17789)]