20764730

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{1367}}^1$

素因数の和:1419

約数の個数: 48

約数和(自身を含む): 44914176

約数和(自身を除く): 24149446

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 49, 62, 70, 98, 155, 217, 245, 310, 434, 490, 1085, 1367, 1519, 2170, 2734, 3038, 6835, 7595, 9569, 13670, 15190, 19138, 42377, 47845, 66983, 84754, 95690, 133966, 211885, 296639, 334915, 423770, 593278, 669830, 1483195, 2076473, 2966390, 4152946, 10382365, 20764730]

約数ペア:

[(1, 20764730), (2, 10382365), (5, 4152946), (7, 2966390), (10, 2076473), (14, 1483195), (31, 669830), (35, 593278), (49, 423770), (62, 334915), (70, 296639), (98, 211885), (155, 133966), (217, 95690), (245, 84754), (310, 66983), (434, 47845), (490, 42377), (1085, 19138), (1367, 15190), (1519, 13670), (2170, 9569), (2734, 7595), (3038, 6835)]