20165049670

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{19231}}^1$

素因数の和:19405

約数の個数: 64

約数和(自身を含む): 39081885696

約数和(自身を除く): 18916836026

約数列:

[1, 2, 5, 10, 23, 46, 47, 94, 97, 115, 194, 230, 235, 470, 485, 970, 1081, 2162, 2231, 4462, 4559, 5405, 9118, 10810, 11155, 19231, 22310, 22795, 38462, 45590, 96155, 104857, 192310, 209714, 442313, 524285, 884626, 903857, 1048570, 1807714, 1865407, 2211565, 3730814, 4423130, 4519285, 9038570, 9327035, 18654070, 20788711, 41577422, 42904361, 85808722, 87674129, 103943555, 175348258, 207887110, 214521805, 429043610, 438370645, 876741290, 2016504967, 4033009934, 10082524835, 20165049670]

約数ペア:

[(1, 20165049670), (2, 10082524835), (5, 4033009934), (10, 2016504967), (23, 876741290), (46, 438370645), (47, 429043610), (94, 214521805), (97, 207887110), (115, 175348258), (194, 103943555), (230, 87674129), (235, 85808722), (470, 42904361), (485, 41577422), (970, 20788711), (1081, 18654070), (2162, 9327035), (2231, 9038570), (4462, 4519285), (4559, 4423130), (5405, 3730814), (9118, 2211565), (10810, 1865407), (11155, 1807714), (19231, 1048570), (22310, 903857), (22795, 884626), (38462, 524285), (45590, 442313), (96155, 209714), (104857, 192310)]