20434270

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{2273}}^1$

素因数の和:2340

約数の個数: 32

約数和(自身を含む): 39294720

約数和(自身を除く): 18860450

約数列:

[1, 2, 5, 10, 29, 31, 58, 62, 145, 155, 290, 310, 899, 1798, 2273, 4495, 4546, 8990, 11365, 22730, 65917, 70463, 131834, 140926, 329585, 352315, 659170, 704630, 2043427, 4086854, 10217135, 20434270]

約数ペア:

[(1, 20434270), (2, 10217135), (5, 4086854), (10, 2043427), (29, 704630), (31, 659170), (58, 352315), (62, 329585), (145, 140926), (155, 131834), (290, 70463), (310, 65917), (899, 22730), (1798, 11365), (2273, 8990), (4495, 4546)]