20164453380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{293}}^1\times {\mathrm{20123}}^1$

素因数の和:20450

約数の個数: 144

約数和(自身を含む): 64607699520

約数和(自身を除く): 44443246140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 293, 342, 380, 570, 586, 684, 855, 879, 1140, 1172, 1465, 1710, 1758, 2637, 2930, 3420, 3516, 4395, 5274, 5567, 5860, 8790, 10548, 11134, 13185, 16701, 17580, 20123, 22268, 26370, 27835, 33402, 40246, 50103, 52740, 55670, 60369, 66804, 80492, 83505, 100206, 100615, 111340, 120738, 167010, 181107, 200412, 201230, 241476, 250515, 301845, 334020, 362214, 382337, 402460, 501030, 603690, 724428, 764674, 905535, 1002060, 1147011, 1207380, 1529348, 1811070, 1911685, 2294022, 3441033, 3622140, 3823370, 4588044, 5735055, 5896039, 6882066, 7646740, 11470110, 11792078, 13764132, 17205165, 17688117, 22940220, 23584156, 29480195, 34410330, 35376234, 53064351, 58960390, 68820660, 70752468, 88440585, 106128702, 112024741, 117920780, 176881170, 212257404, 224049482, 265321755, 336074223, 353762340, 448098964, 530643510, 560123705, 672148446, 1008222669, 1061287020, 1120247410, 1344296892, 1680371115, 2016445338, 2240494820, 3360742230, 4032890676, 5041113345, 6721484460, 10082226690, 20164453380]

約数ペア:

[(1, 20164453380), (2, 10082226690), (3, 6721484460), (4, 5041113345), (5, 4032890676), (6, 3360742230), (9, 2240494820), (10, 2016445338), (12, 1680371115), (15, 1344296892), (18, 1120247410), (19, 1061287020), (20, 1008222669), (30, 672148446), (36, 560123705), (38, 530643510), (45, 448098964), (57, 353762340), (60, 336074223), (76, 265321755), (90, 224049482), (95, 212257404), (114, 176881170), (171, 117920780), (180, 112024741), (190, 106128702), (228, 88440585), (285, 70752468), (293, 68820660), (342, 58960390), (380, 53064351), (570, 35376234), (586, 34410330), (684, 29480195), (855, 23584156), (879, 22940220), (1140, 17688117), (1172, 17205165), (1465, 13764132), (1710, 11792078), (1758, 11470110), (2637, 7646740), (2930, 6882066), (3420, 5896039), (3516, 5735055), (4395, 4588044), (5274, 3823370), (5567, 3622140), (5860, 3441033), (8790, 2294022), (10548, 1911685), (11134, 1811070), (13185, 1529348), (16701, 1207380), (17580, 1147011), (20123, 1002060), (22268, 905535), (26370, 764674), (27835, 724428), (33402, 603690), (40246, 501030), (50103, 402460), (52740, 382337), (55670, 362214), (60369, 334020), (66804, 301845), (80492, 250515), (83505, 241476), (100206, 201230), (100615, 200412), (111340, 181107), (120738, 167010)]