20829720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{7547}}^1$

素因数の和:7584

約数の個数: 64

約数和(自身を含む): 65214720

約数和(自身を除く): 44385000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 184, 230, 276, 345, 460, 552, 690, 920, 1380, 2760, 7547, 15094, 22641, 30188, 37735, 45282, 60376, 75470, 90564, 113205, 150940, 173581, 181128, 226410, 301880, 347162, 452820, 520743, 694324, 867905, 905640, 1041486, 1388648, 1735810, 2082972, 2603715, 3471620, 4165944, 5207430, 6943240, 10414860, 20829720]

約数ペア:

[(1, 20829720), (2, 10414860), (3, 6943240), (4, 5207430), (5, 4165944), (6, 3471620), (8, 2603715), (10, 2082972), (12, 1735810), (15, 1388648), (20, 1041486), (23, 905640), (24, 867905), (30, 694324), (40, 520743), (46, 452820), (60, 347162), (69, 301880), (92, 226410), (115, 181128), (120, 173581), (138, 150940), (184, 113205), (230, 90564), (276, 75470), (345, 60376), (460, 45282), (552, 37735), (690, 30188), (920, 22641), (1380, 15094), (2760, 7547)]