20171585970

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{277}}^1\times {\mathrm{27901}}^1$

素因数の和:28220

約数の個数: 96

約数和(自身を含む): 54452427120

約数和(自身を除く): 34280841150

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 29, 30, 45, 58, 87, 90, 145, 174, 261, 277, 290, 435, 522, 554, 831, 870, 1305, 1385, 1662, 2493, 2610, 2770, 4155, 4986, 8033, 8310, 12465, 16066, 24099, 24930, 27901, 40165, 48198, 55802, 72297, 80330, 83703, 120495, 139505, 144594, 167406, 240990, 251109, 279010, 361485, 418515, 502218, 722970, 809129, 837030, 1255545, 1618258, 2427387, 2511090, 4045645, 4854774, 7282161, 7728577, 8091290, 12136935, 14564322, 15457154, 23185731, 24273870, 36410805, 38642885, 46371462, 69557193, 72821610, 77285770, 115928655, 139114386, 224128733, 231857310, 347785965, 448257466, 672386199, 695571930, 1120643665, 1344772398, 2017158597, 2241287330, 3361930995, 4034317194, 6723861990, 10085792985, 20171585970]

約数ペア:

[(1, 20171585970), (2, 10085792985), (3, 6723861990), (5, 4034317194), (6, 3361930995), (9, 2241287330), (10, 2017158597), (15, 1344772398), (18, 1120643665), (29, 695571930), (30, 672386199), (45, 448257466), (58, 347785965), (87, 231857310), (90, 224128733), (145, 139114386), (174, 115928655), (261, 77285770), (277, 72821610), (290, 69557193), (435, 46371462), (522, 38642885), (554, 36410805), (831, 24273870), (870, 23185731), (1305, 15457154), (1385, 14564322), (1662, 12136935), (2493, 8091290), (2610, 7728577), (2770, 7282161), (4155, 4854774), (4986, 4045645), (8033, 2511090), (8310, 2427387), (12465, 1618258), (16066, 1255545), (24099, 837030), (24930, 809129), (27901, 722970), (40165, 502218), (48198, 418515), (55802, 361485), (72297, 279010), (80330, 251109), (83703, 240990), (120495, 167406), (139505, 144594)]