20790594910

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1\times {\mathrm{3299}}^1$

素因数の和:3565

約数の個数: 64

約数和(自身を含む): 38769192000

約数和(自身を除く): 17978597090

約数列:

[1, 2, 5, 10, 73, 89, 97, 146, 178, 194, 365, 445, 485, 730, 890, 970, 3299, 6497, 6598, 7081, 8633, 12994, 14162, 16495, 17266, 32485, 32990, 35405, 43165, 64970, 70810, 86330, 240827, 293611, 320003, 481654, 587222, 630209, 640006, 1204135, 1260418, 1468055, 1600015, 2408270, 2936110, 3151045, 3200030, 6302090, 21433603, 23360219, 28480267, 42867206, 46720438, 56960534, 107168015, 116801095, 142401335, 214336030, 233602190, 284802670, 2079059491, 4158118982, 10395297455, 20790594910]

約数ペア:

[(1, 20790594910), (2, 10395297455), (5, 4158118982), (10, 2079059491), (73, 284802670), (89, 233602190), (97, 214336030), (146, 142401335), (178, 116801095), (194, 107168015), (365, 56960534), (445, 46720438), (485, 42867206), (730, 28480267), (890, 23360219), (970, 21433603), (3299, 6302090), (6497, 3200030), (6598, 3151045), (7081, 2936110), (8633, 2408270), (12994, 1600015), (14162, 1468055), (16495, 1260418), (17266, 1204135), (32485, 640006), (32990, 630209), (35405, 587222), (43165, 481654), (64970, 320003), (70810, 293611), (86330, 240827)]