20187803280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{4947991}}^1$

素因数の和:4948024

約数の個数: 80

約数和(自身を含む): 66263508864

約数和(自身を除く): 46075705584

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 120, 136, 170, 204, 240, 255, 272, 340, 408, 510, 680, 816, 1020, 1360, 2040, 4080, 4947991, 9895982, 14843973, 19791964, 24739955, 29687946, 39583928, 49479910, 59375892, 74219865, 79167856, 84115847, 98959820, 118751784, 148439730, 168231694, 197919640, 237503568, 252347541, 296879460, 336463388, 395839280, 420579235, 504695082, 593758920, 672926776, 841158470, 1009390164, 1187517840, 1261737705, 1345853552, 1682316940, 2018780328, 2523475410, 3364633880, 4037560656, 5046950820, 6729267760, 10093901640, 20187803280]

約数ペア:

[(1, 20187803280), (2, 10093901640), (3, 6729267760), (4, 5046950820), (5, 4037560656), (6, 3364633880), (8, 2523475410), (10, 2018780328), (12, 1682316940), (15, 1345853552), (16, 1261737705), (17, 1187517840), (20, 1009390164), (24, 841158470), (30, 672926776), (34, 593758920), (40, 504695082), (48, 420579235), (51, 395839280), (60, 336463388), (68, 296879460), (80, 252347541), (85, 237503568), (102, 197919640), (120, 168231694), (136, 148439730), (170, 118751784), (204, 98959820), (240, 84115847), (255, 79167856), (272, 74219865), (340, 59375892), (408, 49479910), (510, 39583928), (680, 29687946), (816, 24739955), (1020, 19791964), (1360, 14843973), (2040, 9895982), (4080, 4947991)]