20169715780

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{113}}^1\times {\mathrm{149}}^1\times {\mathrm{673}}^1$

素因数の和:1033

約数の個数: 96

約数和(自身を含む): 43566012000

約数和(自身を除く): 23396296220

約数列:

[1, 2, 4, 5, 10, 20, 89, 113, 149, 178, 226, 298, 356, 445, 452, 565, 596, 673, 745, 890, 1130, 1346, 1490, 1780, 2260, 2692, 2980, 3365, 6730, 10057, 13261, 13460, 16837, 20114, 26522, 33674, 40228, 50285, 53044, 59897, 66305, 67348, 76049, 84185, 100277, 100570, 119794, 132610, 152098, 168370, 200554, 201140, 239588, 265220, 299485, 304196, 336740, 380245, 401108, 501385, 598970, 760490, 1002770, 1197940, 1498493, 1520980, 2005540, 2996986, 5993972, 6768361, 7492465, 8924653, 11331301, 13536722, 14984930, 17849306, 22662602, 27073444, 29969860, 33841805, 35698612, 44623265, 45325204, 56656505, 67683610, 89246530, 113313010, 135367220, 178493060, 226626020, 1008485789, 2016971578, 4033943156, 5042428945, 10084857890, 20169715780]

約数ペア:

[(1, 20169715780), (2, 10084857890), (4, 5042428945), (5, 4033943156), (10, 2016971578), (20, 1008485789), (89, 226626020), (113, 178493060), (149, 135367220), (178, 113313010), (226, 89246530), (298, 67683610), (356, 56656505), (445, 45325204), (452, 44623265), (565, 35698612), (596, 33841805), (673, 29969860), (745, 27073444), (890, 22662602), (1130, 17849306), (1346, 14984930), (1490, 13536722), (1780, 11331301), (2260, 8924653), (2692, 7492465), (2980, 6768361), (3365, 5993972), (6730, 2996986), (10057, 2005540), (13261, 1520980), (13460, 1498493), (16837, 1197940), (20114, 1002770), (26522, 760490), (33674, 598970), (40228, 501385), (50285, 401108), (53044, 380245), (59897, 336740), (66305, 304196), (67348, 299485), (76049, 265220), (84185, 239588), (100277, 201140), (100570, 200554), (119794, 168370), (132610, 152098)]