20401299

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{1471}}^1$

素因数の和:1567

約数の個数: 24

約数和(自身を含む): 31229952

約数和(自身を除く): 10828653

約数列:

[1, 3, 9, 23, 67, 69, 201, 207, 603, 1471, 1541, 4413, 4623, 13239, 13869, 33833, 98557, 101499, 295671, 304497, 887013, 2266811, 6800433, 20401299]

約数ペア:

[(1, 20401299), (3, 6800433), (9, 2266811), (23, 887013), (67, 304497), (69, 295671), (201, 101499), (207, 98557), (603, 33833), (1471, 13869), (1541, 13239), (4413, 4623)]