20009781840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{229}}^1\times {\mathrm{364079}}^1$

素因数の和:364324

約数の個数: 80

約数和(自身を含む): 62301369600

約数和(自身を除く): 42291587760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 229, 240, 458, 687, 916, 1145, 1374, 1832, 2290, 2748, 3435, 3664, 4580, 5496, 6870, 9160, 10992, 13740, 18320, 27480, 54960, 364079, 728158, 1092237, 1456316, 1820395, 2184474, 2912632, 3640790, 4368948, 5461185, 5825264, 7281580, 8737896, 10922370, 14563160, 17475792, 21844740, 29126320, 43689480, 83374091, 87378960, 166748182, 250122273, 333496364, 416870455, 500244546, 666992728, 833740910, 1000489092, 1250611365, 1333985456, 1667481820, 2000978184, 2501222730, 3334963640, 4001956368, 5002445460, 6669927280, 10004890920, 20009781840]

約数ペア:

[(1, 20009781840), (2, 10004890920), (3, 6669927280), (4, 5002445460), (5, 4001956368), (6, 3334963640), (8, 2501222730), (10, 2000978184), (12, 1667481820), (15, 1333985456), (16, 1250611365), (20, 1000489092), (24, 833740910), (30, 666992728), (40, 500244546), (48, 416870455), (60, 333496364), (80, 250122273), (120, 166748182), (229, 87378960), (240, 83374091), (458, 43689480), (687, 29126320), (916, 21844740), (1145, 17475792), (1374, 14563160), (1832, 10922370), (2290, 8737896), (2748, 7281580), (3435, 5825264), (3664, 5461185), (4580, 4368948), (5496, 3640790), (6870, 2912632), (9160, 2184474), (10992, 1820395), (13740, 1456316), (18320, 1092237), (27480, 728158), (54960, 364079)]