20175487210

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1\times {\mathrm{1999}}^1$

素因数の和:2335

約数の個数: 64

約数和(自身を含む): 37558080000

約数和(自身を除く): 17382592790

約数列:

[1, 2, 5, 10, 53, 106, 137, 139, 265, 274, 278, 530, 685, 695, 1370, 1390, 1999, 3998, 7261, 7367, 9995, 14522, 14734, 19043, 19990, 36305, 36835, 38086, 72610, 73670, 95215, 105947, 190430, 211894, 273863, 277861, 529735, 547726, 555722, 1009279, 1059470, 1369315, 1389305, 2018558, 2738630, 2778610, 5046395, 10092790, 14514739, 14726633, 29029478, 29453266, 38066957, 72573695, 73633165, 76133914, 145147390, 147266330, 190334785, 380669570, 2017548721, 4035097442, 10087743605, 20175487210]

約数ペア:

[(1, 20175487210), (2, 10087743605), (5, 4035097442), (10, 2017548721), (53, 380669570), (106, 190334785), (137, 147266330), (139, 145147390), (265, 76133914), (274, 73633165), (278, 72573695), (530, 38066957), (685, 29453266), (695, 29029478), (1370, 14726633), (1390, 14514739), (1999, 10092790), (3998, 5046395), (7261, 2778610), (7367, 2738630), (9995, 2018558), (14522, 1389305), (14734, 1369315), (19043, 1059470), (19990, 1009279), (36305, 555722), (36835, 547726), (38086, 529735), (72610, 277861), (73670, 273863), (95215, 211894), (105947, 190430)]