20121388335

素因数分解:

$3^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{701}}^1\times {\mathrm{2389}}^1$

素因数の和:3193

約数の個数: 64

約数和(自身を含む): 36240048000

約数和(自身を除く): 16118659665

約数列:

[1, 3, 5, 9, 15, 27, 45, 89, 135, 267, 445, 701, 801, 1335, 2103, 2389, 2403, 3505, 4005, 6309, 7167, 10515, 11945, 12015, 18927, 21501, 31545, 35835, 62389, 64503, 94635, 107505, 187167, 212621, 311945, 322515, 561501, 637863, 935835, 1063105, 1674689, 1684503, 1913589, 2807505, 3189315, 5024067, 5740767, 8373445, 8422515, 9567945, 15072201, 25120335, 28703835, 45216603, 75361005, 149047321, 226083015, 447141963, 745236605, 1341425889, 2235709815, 4024277667, 6707129445, 20121388335]

約数ペア:

[(1, 20121388335), (3, 6707129445), (5, 4024277667), (9, 2235709815), (15, 1341425889), (27, 745236605), (45, 447141963), (89, 226083015), (135, 149047321), (267, 75361005), (445, 45216603), (701, 28703835), (801, 25120335), (1335, 15072201), (2103, 9567945), (2389, 8422515), (2403, 8373445), (3505, 5740767), (4005, 5024067), (6309, 3189315), (7167, 2807505), (10515, 1913589), (11945, 1684503), (12015, 1674689), (18927, 1063105), (21501, 935835), (31545, 637863), (35835, 561501), (62389, 322515), (64503, 311945), (94635, 212621), (107505, 187167)]