20163457580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{359}}^1\times {\mathrm{23599}}^1$

素因数の和:23991

約数の個数: 96

約数和(自身を含む): 51383808000

約数和(自身を除く): 31220350420

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 359, 476, 595, 718, 1190, 1436, 1795, 2380, 2513, 3590, 5026, 6103, 7180, 10052, 12206, 12565, 23599, 24412, 25130, 30515, 42721, 47198, 50260, 61030, 85442, 94396, 117995, 122060, 165193, 170884, 213605, 235990, 330386, 401183, 427210, 471980, 660772, 802366, 825965, 854420, 1604732, 1651930, 2005915, 2808281, 3303860, 4011830, 5616562, 8023660, 8472041, 11233124, 14041405, 16944082, 28082810, 33888164, 42360205, 56165620, 59304287, 84720410, 118608574, 144024697, 169440820, 237217148, 288049394, 296521435, 576098788, 593042870, 720123485, 1008172879, 1186085740, 1440246970, 2016345758, 2880493940, 4032691516, 5040864395, 10081728790, 20163457580]

約数ペア:

[(1, 20163457580), (2, 10081728790), (4, 5040864395), (5, 4032691516), (7, 2880493940), (10, 2016345758), (14, 1440246970), (17, 1186085740), (20, 1008172879), (28, 720123485), (34, 593042870), (35, 576098788), (68, 296521435), (70, 288049394), (85, 237217148), (119, 169440820), (140, 144024697), (170, 118608574), (238, 84720410), (340, 59304287), (359, 56165620), (476, 42360205), (595, 33888164), (718, 28082810), (1190, 16944082), (1436, 14041405), (1795, 11233124), (2380, 8472041), (2513, 8023660), (3590, 5616562), (5026, 4011830), (6103, 3303860), (7180, 2808281), (10052, 2005915), (12206, 1651930), (12565, 1604732), (23599, 854420), (24412, 825965), (25130, 802366), (30515, 660772), (42721, 471980), (47198, 427210), (50260, 401183), (61030, 330386), (85442, 235990), (94396, 213605), (117995, 170884), (122060, 165193)]