20216173012

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^2\times {\mathrm{439}}^1\times {\mathrm{3109}}^1$

素因数の和:3605

約数の個数: 72

約数和(自身を含む): 42376611200

約数和(自身を除く): 22160438188

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 439, 529, 644, 878, 1058, 1756, 2116, 3073, 3109, 3703, 6146, 6218, 7406, 10097, 12292, 12436, 14812, 20194, 21763, 40388, 43526, 70679, 71507, 87052, 141358, 143014, 232231, 282716, 286028, 464462, 500549, 928924, 1001098, 1364851, 1625617, 1644661, 2002196, 2729702, 3251234, 3289322, 5459404, 6502468, 6578644, 9553957, 11512627, 19107914, 23025254, 31391573, 38215828, 46050508, 62783146, 125566292, 219741011, 439482022, 722006179, 878964044, 1444012358, 2888024716, 5054043253, 10108086506, 20216173012]

約数ペア:

[(1, 20216173012), (2, 10108086506), (4, 5054043253), (7, 2888024716), (14, 1444012358), (23, 878964044), (28, 722006179), (46, 439482022), (92, 219741011), (161, 125566292), (322, 62783146), (439, 46050508), (529, 38215828), (644, 31391573), (878, 23025254), (1058, 19107914), (1756, 11512627), (2116, 9553957), (3073, 6578644), (3109, 6502468), (3703, 5459404), (6146, 3289322), (6218, 3251234), (7406, 2729702), (10097, 2002196), (12292, 1644661), (12436, 1625617), (14812, 1364851), (20194, 1001098), (21763, 928924), (40388, 500549), (43526, 464462), (70679, 286028), (71507, 282716), (87052, 232231), (141358, 143014)]