20806657875

素因数分解:

$3^2\times 5^3\times {\mathrm{83}}^1\times {\mathrm{443}}^1\times {\mathrm{503}}^1$

素因数の和:1050

約数の個数: 96

約数和(自身を含む): 38120689152

約数和(自身を除く): 17314031277

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 83, 125, 225, 249, 375, 415, 443, 503, 747, 1125, 1245, 1329, 1509, 2075, 2215, 2515, 3735, 3987, 4527, 6225, 6645, 7545, 10375, 11075, 12575, 18675, 19935, 22635, 31125, 33225, 36769, 37725, 41749, 55375, 62875, 93375, 99675, 110307, 113175, 125247, 166125, 183845, 188625, 208745, 222829, 330921, 375741, 498375, 551535, 565875, 626235, 668487, 919225, 1043725, 1114145, 1654605, 1878705, 2005461, 2757675, 3131175, 3342435, 4596125, 5218625, 5570725, 8273025, 9393525, 10027305, 13788375, 15655875, 16712175, 18494807, 27853625, 41365125, 46967625, 50136525, 55484421, 83560875, 92474035, 166453263, 250682625, 277422105, 462370175, 832266315, 1387110525, 2311850875, 4161331575, 6935552625, 20806657875]

約数ペア:

[(1, 20806657875), (3, 6935552625), (5, 4161331575), (9, 2311850875), (15, 1387110525), (25, 832266315), (45, 462370175), (75, 277422105), (83, 250682625), (125, 166453263), (225, 92474035), (249, 83560875), (375, 55484421), (415, 50136525), (443, 46967625), (503, 41365125), (747, 27853625), (1125, 18494807), (1245, 16712175), (1329, 15655875), (1509, 13788375), (2075, 10027305), (2215, 9393525), (2515, 8273025), (3735, 5570725), (3987, 5218625), (4527, 4596125), (6225, 3342435), (6645, 3131175), (7545, 2757675), (10375, 2005461), (11075, 1878705), (12575, 1654605), (18675, 1114145), (19935, 1043725), (22635, 919225), (31125, 668487), (33225, 626235), (36769, 565875), (37725, 551535), (41749, 498375), (55375, 375741), (62875, 330921), (93375, 222829), (99675, 208745), (110307, 188625), (113175, 183845), (125247, 166125)]