20741565260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{12697}}^1$

素因数の和:12883

約数の個数: 96

約数和(自身を含む): 48143501952

約数和(自身を除く): 27401936692

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 61, 65, 103, 122, 130, 206, 244, 260, 305, 412, 515, 610, 793, 1030, 1220, 1339, 1586, 2060, 2678, 3172, 3965, 5356, 6283, 6695, 7930, 12566, 12697, 13390, 15860, 25132, 25394, 26780, 31415, 50788, 62830, 63485, 81679, 125660, 126970, 163358, 165061, 253940, 326716, 330122, 408395, 660244, 774517, 816790, 825305, 1307791, 1549034, 1633580, 1650610, 2615582, 3098068, 3301220, 3872585, 5231164, 6538955, 7745170, 10068721, 13077910, 15490340, 17001283, 20137442, 26155820, 34002566, 40274884, 50343605, 68005132, 79775251, 85006415, 100687210, 159550502, 170012830, 201374420, 319101004, 340025660, 398876255, 797752510, 1037078263, 1595505020, 2074156526, 4148313052, 5185391315, 10370782630, 20741565260]

約数ペア:

[(1, 20741565260), (2, 10370782630), (4, 5185391315), (5, 4148313052), (10, 2074156526), (13, 1595505020), (20, 1037078263), (26, 797752510), (52, 398876255), (61, 340025660), (65, 319101004), (103, 201374420), (122, 170012830), (130, 159550502), (206, 100687210), (244, 85006415), (260, 79775251), (305, 68005132), (412, 50343605), (515, 40274884), (610, 34002566), (793, 26155820), (1030, 20137442), (1220, 17001283), (1339, 15490340), (1586, 13077910), (2060, 10068721), (2678, 7745170), (3172, 6538955), (3965, 5231164), (5356, 3872585), (6283, 3301220), (6695, 3098068), (7930, 2615582), (12566, 1650610), (12697, 1633580), (13390, 1549034), (15860, 1307791), (25132, 825305), (25394, 816790), (26780, 774517), (31415, 660244), (50788, 408395), (62830, 330122), (63485, 326716), (81679, 253940), (125660, 165061), (126970, 163358)]