20210230065

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{42979}}^1$

素因数の和:43086

約数の個数: 64

約数和(自身を含む): 35649331200

約数和(自身を除く): 15439101135

約数列:

[1, 3, 5, 15, 23, 29, 47, 69, 87, 115, 141, 145, 235, 345, 435, 667, 705, 1081, 1363, 2001, 3243, 3335, 4089, 5405, 6815, 10005, 16215, 20445, 31349, 42979, 94047, 128937, 156745, 214895, 470235, 644685, 988517, 1246391, 2020013, 2965551, 3739173, 4942585, 6060039, 6231955, 10100065, 14827755, 18695865, 28666993, 30300195, 46460299, 58580377, 86000979, 139380897, 143334965, 175741131, 232301495, 292901885, 430004895, 696904485, 878705655, 1347348671, 4042046013, 6736743355, 20210230065]

約数ペア:

[(1, 20210230065), (3, 6736743355), (5, 4042046013), (15, 1347348671), (23, 878705655), (29, 696904485), (47, 430004895), (69, 292901885), (87, 232301495), (115, 175741131), (141, 143334965), (145, 139380897), (235, 86000979), (345, 58580377), (435, 46460299), (667, 30300195), (705, 28666993), (1081, 18695865), (1363, 14827755), (2001, 10100065), (3243, 6231955), (3335, 6060039), (4089, 4942585), (5405, 3739173), (6815, 2965551), (10005, 2020013), (16215, 1246391), (20445, 988517), (31349, 644685), (42979, 470235), (94047, 214895), (128937, 156745)]