20565196908

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{191}}^1\times {\mathrm{390113}}^1$

素因数の和:390334

約数の個数: 48

約数和(自身を含む): 50334068736

約数和(自身を除く): 29768871828

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 138, 191, 276, 382, 573, 764, 1146, 2292, 4393, 8786, 13179, 17572, 26358, 52716, 390113, 780226, 1170339, 1560452, 2340678, 4681356, 8972599, 17945198, 26917797, 35890396, 53835594, 74511583, 107671188, 149023166, 223534749, 298046332, 447069498, 894138996, 1713766409, 3427532818, 5141299227, 6855065636, 10282598454, 20565196908]

約数ペア:

[(1, 20565196908), (2, 10282598454), (3, 6855065636), (4, 5141299227), (6, 3427532818), (12, 1713766409), (23, 894138996), (46, 447069498), (69, 298046332), (92, 223534749), (138, 149023166), (191, 107671188), (276, 74511583), (382, 53835594), (573, 35890396), (764, 26917797), (1146, 17945198), (2292, 8972599), (4393, 4681356), (8786, 2340678), (13179, 1560452), (17572, 1170339), (26358, 780226), (52716, 390113)]