20210122908

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{1481}}^1\times {\mathrm{16481}}^1$

素因数の和:17995

約数の個数: 72

約数和(自身を含む): 53347091616

約数和(自身を除く): 33136968708

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 138, 207, 276, 414, 828, 1481, 2962, 4443, 5924, 8886, 13329, 16481, 17772, 26658, 32962, 34063, 49443, 53316, 65924, 68126, 98886, 102189, 136252, 148329, 197772, 204378, 296658, 306567, 379063, 408756, 593316, 613134, 758126, 1137189, 1226268, 1516252, 2274378, 3411567, 4548756, 6823134, 13646268, 24408361, 48816722, 73225083, 97633444, 146450166, 219675249, 292900332, 439350498, 561392303, 878700996, 1122784606, 1684176909, 2245569212, 3368353818, 5052530727, 6736707636, 10105061454, 20210122908]

約数ペア:

[(1, 20210122908), (2, 10105061454), (3, 6736707636), (4, 5052530727), (6, 3368353818), (9, 2245569212), (12, 1684176909), (18, 1122784606), (23, 878700996), (36, 561392303), (46, 439350498), (69, 292900332), (92, 219675249), (138, 146450166), (207, 97633444), (276, 73225083), (414, 48816722), (828, 24408361), (1481, 13646268), (2962, 6823134), (4443, 4548756), (5924, 3411567), (8886, 2274378), (13329, 1516252), (16481, 1226268), (17772, 1137189), (26658, 758126), (32962, 613134), (34063, 593316), (49443, 408756), (53316, 379063), (65924, 306567), (68126, 296658), (98886, 204378), (102189, 197772), (136252, 148329)]