20485548

素因数分解:

$2^2\times 3^4\times {\mathrm{23}}^1\times {\mathrm{2749}}^1$

素因数の和:2788

約数の個数: 60

約数和(自身を含む): 55902000

約数和(自身を除く): 35416452

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 27, 36, 46, 54, 69, 81, 92, 108, 138, 162, 207, 276, 324, 414, 621, 828, 1242, 1863, 2484, 2749, 3726, 5498, 7452, 8247, 10996, 16494, 24741, 32988, 49482, 63227, 74223, 98964, 126454, 148446, 189681, 222669, 252908, 296892, 379362, 445338, 569043, 758724, 890676, 1138086, 1707129, 2276172, 3414258, 5121387, 6828516, 10242774, 20485548]

約数ペア:

[(1, 20485548), (2, 10242774), (3, 6828516), (4, 5121387), (6, 3414258), (9, 2276172), (12, 1707129), (18, 1138086), (23, 890676), (27, 758724), (36, 569043), (46, 445338), (54, 379362), (69, 296892), (81, 252908), (92, 222669), (108, 189681), (138, 148446), (162, 126454), (207, 98964), (276, 74223), (324, 63227), (414, 49482), (621, 32988), (828, 24741), (1242, 16494), (1863, 10996), (2484, 8247), (2749, 7452), (3726, 5498)]