20460930

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{449}}^1$

素因数の和:504

約数の個数: 96

約数和(自身を含む): 59097600

約数和(自身を除く): 38636670

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 31, 35, 42, 49, 62, 70, 93, 98, 105, 147, 155, 186, 210, 217, 245, 294, 310, 434, 449, 465, 490, 651, 735, 898, 930, 1085, 1302, 1347, 1470, 1519, 2170, 2245, 2694, 3038, 3143, 3255, 4490, 4557, 6286, 6510, 6735, 7595, 9114, 9429, 13470, 13919, 15190, 15715, 18858, 22001, 22785, 27838, 31430, 41757, 44002, 45570, 47145, 66003, 69595, 83514, 94290, 97433, 110005, 132006, 139190, 194866, 208785, 220010, 292299, 330015, 417570, 487165, 584598, 660030, 682031, 974330, 1364062, 1461495, 2046093, 2922990, 3410155, 4092186, 6820310, 10230465, 20460930]

約数ペア:

[(1, 20460930), (2, 10230465), (3, 6820310), (5, 4092186), (6, 3410155), (7, 2922990), (10, 2046093), (14, 1461495), (15, 1364062), (21, 974330), (30, 682031), (31, 660030), (35, 584598), (42, 487165), (49, 417570), (62, 330015), (70, 292299), (93, 220010), (98, 208785), (105, 194866), (147, 139190), (155, 132006), (186, 110005), (210, 97433), (217, 94290), (245, 83514), (294, 69595), (310, 66003), (434, 47145), (449, 45570), (465, 44002), (490, 41757), (651, 31430), (735, 27838), (898, 22785), (930, 22001), (1085, 18858), (1302, 15715), (1347, 15190), (1470, 13919), (1519, 13470), (2170, 9429), (2245, 9114), (2694, 7595), (3038, 6735), (3143, 6510), (3255, 6286), (4490, 4557)]