17804536180

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{21712849}}^1$

素因数の和:21712899

約数の個数: 24

約数和(自身を含む): 38301467400

約数和(自身を除く): 20496931220

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 21712849, 43425698, 86851396, 108564245, 217128490, 434256980, 890226809, 1780453618, 3560907236, 4451134045, 8902268090, 17804536180]

約数ペア:

[(1, 17804536180), (2, 8902268090), (4, 4451134045), (5, 3560907236), (10, 1780453618), (20, 890226809), (41, 434256980), (82, 217128490), (164, 108564245), (205, 86851396), (410, 43425698), (820, 21712849)]