20922088253008

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{5683}}^1\times {\mathrm{198529}}^1$

素因数の和:204300

約数の個数: 80

約数和(自身を含む): 43377407348800

約数和(自身を除く): 22455319095792

約数列:

[1, 2, 4, 8, 16, 19, 38, 61, 76, 122, 152, 244, 304, 488, 976, 1159, 2318, 4636, 5683, 9272, 11366, 18544, 22732, 45464, 90928, 107977, 198529, 215954, 346663, 397058, 431908, 693326, 794116, 863816, 1386652, 1588232, 1727632, 2773304, 3176464, 3772051, 5546608, 6586597, 7544102, 12110269, 13173194, 15088204, 24220538, 26346388, 30176408, 48441076, 52692776, 60352816, 96882152, 105385552, 193764304, 230095111, 460190222, 920380444, 1128240307, 1840760888, 2256480614, 3681521776, 4512961228, 9025922456, 18051844912, 21436565833, 42873131666, 68822658727, 85746263332, 137645317454, 171492526664, 275290634908, 342985053328, 550581269816, 1101162539632, 1307630515813, 2615261031626, 5230522063252, 10461044126504, 20922088253008]

約数ペア:

[(1, 20922088253008), (2, 10461044126504), (4, 5230522063252), (8, 2615261031626), (16, 1307630515813), (19, 1101162539632), (38, 550581269816), (61, 342985053328), (76, 275290634908), (122, 171492526664), (152, 137645317454), (244, 85746263332), (304, 68822658727), (488, 42873131666), (976, 21436565833), (1159, 18051844912), (2318, 9025922456), (4636, 4512961228), (5683, 3681521776), (9272, 2256480614), (11366, 1840760888), (18544, 1128240307), (22732, 920380444), (45464, 460190222), (90928, 230095111), (107977, 193764304), (198529, 105385552), (215954, 96882152), (346663, 60352816), (397058, 52692776), (431908, 48441076), (693326, 30176408), (794116, 26346388), (863816, 24220538), (1386652, 15088204), (1588232, 13173194), (1727632, 12110269), (2773304, 7544102), (3176464, 6586597), (3772051, 5546608)]