20199259070

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^3\times {\mathrm{197}}^1\times {\mathrm{2087}}^1$

素因数の和:2342

約数の個数: 64

約数和(自身を含む): 38845319040

約数和(自身を除く): 18646059970

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 197, 289, 394, 578, 985, 1445, 1970, 2087, 2890, 3349, 4174, 4913, 6698, 9826, 10435, 16745, 20870, 24565, 33490, 35479, 49130, 56933, 70958, 113866, 177395, 284665, 354790, 411139, 569330, 603143, 822278, 967861, 1206286, 1935722, 2055695, 3015715, 4111390, 4839305, 6031430, 6989363, 9678610, 10253431, 13978726, 20506862, 34946815, 51267155, 69893630, 102534310, 118819171, 237638342, 594095855, 1188191710, 2019925907, 4039851814, 10099629535, 20199259070]

約数ペア:

[(1, 20199259070), (2, 10099629535), (5, 4039851814), (10, 2019925907), (17, 1188191710), (34, 594095855), (85, 237638342), (170, 118819171), (197, 102534310), (289, 69893630), (394, 51267155), (578, 34946815), (985, 20506862), (1445, 13978726), (1970, 10253431), (2087, 9678610), (2890, 6989363), (3349, 6031430), (4174, 4839305), (4913, 4111390), (6698, 3015715), (9826, 2055695), (10435, 1935722), (16745, 1206286), (20870, 967861), (24565, 822278), (33490, 603143), (35479, 569330), (49130, 411139), (56933, 354790), (70958, 284665), (113866, 177395)]