20403516

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{4583}}^1$

素因数の和:4650

約数の個数: 48

約数和(自身を含む): 55448064

約数和(自身を除く): 35044548

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 53, 84, 106, 159, 212, 318, 371, 636, 742, 1113, 1484, 2226, 4452, 4583, 9166, 13749, 18332, 27498, 32081, 54996, 64162, 96243, 128324, 192486, 242899, 384972, 485798, 728697, 971596, 1457394, 1700293, 2914788, 3400586, 5100879, 6801172, 10201758, 20403516]

約数ペア:

[(1, 20403516), (2, 10201758), (3, 6801172), (4, 5100879), (6, 3400586), (7, 2914788), (12, 1700293), (14, 1457394), (21, 971596), (28, 728697), (42, 485798), (53, 384972), (84, 242899), (106, 192486), (159, 128324), (212, 96243), (318, 64162), (371, 54996), (636, 32081), (742, 27498), (1113, 18332), (1484, 13749), (2226, 9166), (4452, 4583)]