20922356

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{251}}^1$

素因数の和:504

約数の個数: 48

約数和(自身を含む): 45440640

約数和(自身を除く): 24518284

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 229, 251, 364, 458, 502, 916, 1004, 1603, 1757, 2977, 3206, 3263, 3514, 5954, 6412, 6526, 7028, 11908, 13052, 20839, 22841, 41678, 45682, 57479, 83356, 91364, 114958, 229916, 402353, 747227, 804706, 1494454, 1609412, 2988908, 5230589, 10461178, 20922356]

約数ペア:

[(1, 20922356), (2, 10461178), (4, 5230589), (7, 2988908), (13, 1609412), (14, 1494454), (26, 804706), (28, 747227), (52, 402353), (91, 229916), (182, 114958), (229, 91364), (251, 83356), (364, 57479), (458, 45682), (502, 41678), (916, 22841), (1004, 20839), (1603, 13052), (1757, 11908), (2977, 7028), (3206, 6526), (3263, 6412), (3514, 5954)]