20171448945

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{619}}^1\times {\mathrm{24971}}^1$

素因数の和:25630

約数の個数: 48

約数和(自身を含む): 36229377600

約数和(自身を除く): 16057928655

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 261, 435, 619, 1305, 1857, 3095, 5571, 9285, 17951, 24971, 27855, 53853, 74913, 89755, 124855, 161559, 224739, 269265, 374565, 724159, 807795, 1123695, 2172477, 3620795, 6517431, 10862385, 15457049, 32587155, 46371147, 77285245, 139113441, 231855735, 448254421, 695567205, 1344763263, 2241272105, 4034289789, 6723816315, 20171448945]

約数ペア:

[(1, 20171448945), (3, 6723816315), (5, 4034289789), (9, 2241272105), (15, 1344763263), (29, 695567205), (45, 448254421), (87, 231855735), (145, 139113441), (261, 77285245), (435, 46371147), (619, 32587155), (1305, 15457049), (1857, 10862385), (3095, 6517431), (5571, 3620795), (9285, 2172477), (17951, 1123695), (24971, 807795), (27855, 724159), (53853, 374565), (74913, 269265), (89755, 224739), (124855, 161559)]