20147040004

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{487}}^1\times {\mathrm{1277}}^1$

素因数の和:1877

約数の個数: 96

約数和(自身を含む): 44005731840

約数和(自身を除く): 23858691836

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 89, 91, 178, 182, 356, 364, 487, 623, 974, 1157, 1246, 1277, 1948, 2314, 2492, 2554, 3409, 4628, 5108, 6331, 6818, 8099, 8939, 12662, 13636, 16198, 16601, 17878, 25324, 32396, 33202, 35756, 43343, 44317, 66404, 86686, 88634, 113653, 116207, 173372, 177268, 227306, 232414, 303401, 454612, 464828, 563459, 606802, 621899, 795571, 1126918, 1213604, 1243798, 1477489, 1591142, 2253836, 2487596, 2954978, 3182284, 3944213, 4353293, 5909956, 7888426, 8084687, 8706586, 10342423, 15776852, 16169374, 17413172, 20684846, 32338748, 41369692, 55349011, 56592809, 110698022, 113185618, 221396044, 226371236, 387443077, 719537143, 774886154, 1439074286, 1549772308, 2878148572, 5036760001, 10073520002, 20147040004]

約数ペア:

[(1, 20147040004), (2, 10073520002), (4, 5036760001), (7, 2878148572), (13, 1549772308), (14, 1439074286), (26, 774886154), (28, 719537143), (52, 387443077), (89, 226371236), (91, 221396044), (178, 113185618), (182, 110698022), (356, 56592809), (364, 55349011), (487, 41369692), (623, 32338748), (974, 20684846), (1157, 17413172), (1246, 16169374), (1277, 15776852), (1948, 10342423), (2314, 8706586), (2492, 8084687), (2554, 7888426), (3409, 5909956), (4628, 4353293), (5108, 3944213), (6331, 3182284), (6818, 2954978), (8099, 2487596), (8939, 2253836), (12662, 1591142), (13636, 1477489), (16198, 1243798), (16601, 1213604), (17878, 1126918), (25324, 795571), (32396, 621899), (33202, 606802), (35756, 563459), (43343, 464828), (44317, 454612), (66404, 303401), (86686, 232414), (88634, 227306), (113653, 177268), (116207, 173372)]