20210997240

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{8020237}}^1$

素因数の和:8020261

約数の個数: 96

約数和(自身を含む): 75069427680

約数和(自身を除く): 54858430440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 8020237, 16040474, 24060711, 32080948, 40101185, 48121422, 56141659, 64161896, 72182133, 80202370, 96242844, 112283318, 120303555, 144364266, 160404740, 168424977, 192485688, 224566636, 240607110, 280708295, 288728532, 320809480, 336849954, 360910665, 449133272, 481214220, 505274931, 561416590, 577457064, 673699908, 721821330, 842124885, 962428440, 1010549862, 1122833180, 1347399816, 1443642660, 1684249770, 2021099724, 2245666360, 2526374655, 2887285320, 3368499540, 4042199448, 5052749310, 6736999080, 10105498620, 20210997240]

約数ペア:

[(1, 20210997240), (2, 10105498620), (3, 6736999080), (4, 5052749310), (5, 4042199448), (6, 3368499540), (7, 2887285320), (8, 2526374655), (9, 2245666360), (10, 2021099724), (12, 1684249770), (14, 1443642660), (15, 1347399816), (18, 1122833180), (20, 1010549862), (21, 962428440), (24, 842124885), (28, 721821330), (30, 673699908), (35, 577457064), (36, 561416590), (40, 505274931), (42, 481214220), (45, 449133272), (56, 360910665), (60, 336849954), (63, 320809480), (70, 288728532), (72, 280708295), (84, 240607110), (90, 224566636), (105, 192485688), (120, 168424977), (126, 160404740), (140, 144364266), (168, 120303555), (180, 112283318), (210, 96242844), (252, 80202370), (280, 72182133), (315, 64161896), (360, 56141659), (420, 48121422), (504, 40101185), (630, 32080948), (840, 24060711), (1260, 16040474), (2520, 8020237)]