20808330

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{569}}^1$

素因数の和:655

約数の個数: 64

約数和(自身を含む): 53187840

約数和(自身を除く): 32379510

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 53, 69, 106, 115, 138, 159, 230, 265, 318, 345, 530, 569, 690, 795, 1138, 1219, 1590, 1707, 2438, 2845, 3414, 3657, 5690, 6095, 7314, 8535, 12190, 13087, 17070, 18285, 26174, 30157, 36570, 39261, 60314, 65435, 78522, 90471, 130870, 150785, 180942, 196305, 301570, 392610, 452355, 693611, 904710, 1387222, 2080833, 3468055, 4161666, 6936110, 10404165, 20808330]

約数ペア:

[(1, 20808330), (2, 10404165), (3, 6936110), (5, 4161666), (6, 3468055), (10, 2080833), (15, 1387222), (23, 904710), (30, 693611), (46, 452355), (53, 392610), (69, 301570), (106, 196305), (115, 180942), (138, 150785), (159, 130870), (230, 90471), (265, 78522), (318, 65435), (345, 60314), (530, 39261), (569, 36570), (690, 30157), (795, 26174), (1138, 18285), (1219, 17070), (1590, 13087), (1707, 12190), (2438, 8535), (2845, 7314), (3414, 6095), (3657, 5690)]