20199805108

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{3539}}^1\times {\mathrm{8863}}^1$

素因数の和:12436

約数の個数: 48

約数和(自身を含む): 42172784640

約数和(自身を除く): 21972979532

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 644, 3539, 7078, 8863, 14156, 17726, 24773, 35452, 49546, 62041, 81397, 99092, 124082, 162794, 203849, 248164, 325588, 407698, 569779, 815396, 1139558, 1426943, 2279116, 2853886, 5707772, 31366157, 62732314, 125464628, 219563099, 439126198, 721421611, 878252396, 1442843222, 2885686444, 5049951277, 10099902554, 20199805108]

約数ペア:

[(1, 20199805108), (2, 10099902554), (4, 5049951277), (7, 2885686444), (14, 1442843222), (23, 878252396), (28, 721421611), (46, 439126198), (92, 219563099), (161, 125464628), (322, 62732314), (644, 31366157), (3539, 5707772), (7078, 2853886), (8863, 2279116), (14156, 1426943), (17726, 1139558), (24773, 815396), (35452, 569779), (49546, 407698), (62041, 325588), (81397, 248164), (99092, 203849), (124082, 162794)]