20056080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:205

約数の個数: 160

約数和(自身を含む): 69424128

約数和(自身を除く): 49368048

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 71, 80, 88, 107, 110, 120, 132, 142, 165, 176, 213, 214, 220, 240, 264, 284, 321, 330, 355, 426, 428, 440, 528, 535, 568, 642, 660, 710, 781, 852, 856, 880, 1065, 1070, 1136, 1177, 1284, 1320, 1420, 1562, 1605, 1704, 1712, 2130, 2140, 2343, 2354, 2568, 2640, 2840, 3124, 3210, 3408, 3531, 3905, 4260, 4280, 4686, 4708, 5136, 5680, 5885, 6248, 6420, 7062, 7597, 7810, 8520, 8560, 9372, 9416, 11715, 11770, 12496, 12840, 14124, 15194, 15620, 17040, 17655, 18744, 18832, 22791, 23430, 23540, 25680, 28248, 30388, 31240, 35310, 37488, 37985, 45582, 46860, 47080, 56496, 60776, 62480, 70620, 75970, 83567, 91164, 93720, 94160, 113955, 121552, 141240, 151940, 167134, 182328, 187440, 227910, 250701, 282480, 303880, 334268, 364656, 417835, 455820, 501402, 607760, 668536, 835670, 911640, 1002804, 1253505, 1337072, 1671340, 1823280, 2005608, 2507010, 3342680, 4011216, 5014020, 6685360, 10028040, 20056080]

約数ペア:

[(1, 20056080), (2, 10028040), (3, 6685360), (4, 5014020), (5, 4011216), (6, 3342680), (8, 2507010), (10, 2005608), (11, 1823280), (12, 1671340), (15, 1337072), (16, 1253505), (20, 1002804), (22, 911640), (24, 835670), (30, 668536), (33, 607760), (40, 501402), (44, 455820), (48, 417835), (55, 364656), (60, 334268), (66, 303880), (71, 282480), (80, 250701), (88, 227910), (107, 187440), (110, 182328), (120, 167134), (132, 151940), (142, 141240), (165, 121552), (176, 113955), (213, 94160), (214, 93720), (220, 91164), (240, 83567), (264, 75970), (284, 70620), (321, 62480), (330, 60776), (355, 56496), (426, 47080), (428, 46860), (440, 45582), (528, 37985), (535, 37488), (568, 35310), (642, 31240), (660, 30388), (710, 28248), (781, 25680), (852, 23540), (856, 23430), (880, 22791), (1065, 18832), (1070, 18744), (1136, 17655), (1177, 17040), (1284, 15620), (1320, 15194), (1420, 14124), (1562, 12840), (1605, 12496), (1704, 11770), (1712, 11715), (2130, 9416), (2140, 9372), (2343, 8560), (2354, 8520), (2568, 7810), (2640, 7597), (2840, 7062), (3124, 6420), (3210, 6248), (3408, 5885), (3531, 5680), (3905, 5136), (4260, 4708), (4280, 4686)]