20199963088

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{1061}}^1\times {\mathrm{62627}}^1$

素因数の和:63715

約数の個数: 40

約数和(自身を含む): 41236780320

約数和(自身を除く): 21036817232

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 1061, 2122, 4244, 8488, 16976, 20159, 40318, 62627, 80636, 125254, 161272, 250508, 322544, 501016, 1002032, 1189913, 2379826, 4759652, 9519304, 19038608, 66447247, 132894494, 265788988, 531577976, 1063155952, 1262497693, 2524995386, 5049990772, 10099981544, 20199963088]

約数ペア:

[(1, 20199963088), (2, 10099981544), (4, 5049990772), (8, 2524995386), (16, 1262497693), (19, 1063155952), (38, 531577976), (76, 265788988), (152, 132894494), (304, 66447247), (1061, 19038608), (2122, 9519304), (4244, 4759652), (8488, 2379826), (16976, 1189913), (20159, 1002032), (40318, 501016), (62627, 322544), (80636, 250508), (125254, 161272)]