20782998

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{907}}^1$

素因数の和:1001

約数の個数: 48

約数和(自身を含む): 48160320

約数和(自身を除く): 27377322

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 67, 114, 134, 171, 201, 342, 402, 603, 907, 1206, 1273, 1814, 2546, 2721, 3819, 5442, 7638, 8163, 11457, 16326, 17233, 22914, 34466, 51699, 60769, 103398, 121538, 155097, 182307, 310194, 364614, 546921, 1093842, 1154611, 2309222, 3463833, 6927666, 10391499, 20782998]

約数ペア:

[(1, 20782998), (2, 10391499), (3, 6927666), (6, 3463833), (9, 2309222), (18, 1154611), (19, 1093842), (38, 546921), (57, 364614), (67, 310194), (114, 182307), (134, 155097), (171, 121538), (201, 103398), (342, 60769), (402, 51699), (603, 34466), (907, 22914), (1206, 17233), (1273, 16326), (1814, 11457), (2546, 8163), (2721, 7638), (3819, 5442)]