20121016356

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{509}}^1\times {\mathrm{52289}}^1$

素因数の和:52818

約数の個数: 96

約数和(自身を含む): 59736096000

約数和(自身を除く): 39615079644

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 509, 756, 1018, 1527, 2036, 3054, 3563, 4581, 6108, 7126, 9162, 10689, 13743, 14252, 18324, 21378, 27486, 32067, 42756, 52289, 54972, 64134, 96201, 104578, 128268, 156867, 192402, 209156, 313734, 366023, 384804, 470601, 627468, 732046, 941202, 1098069, 1411803, 1464092, 1882404, 2196138, 2823606, 3294207, 4392276, 5647212, 6588414, 9882621, 13176828, 19765242, 26615101, 39530484, 53230202, 79845303, 106460404, 159690606, 186305707, 239535909, 319381212, 372611414, 479071818, 558917121, 718607727, 745222828, 958143636, 1117834242, 1437215454, 1676751363, 2235668484, 2874430908, 3353502726, 5030254089, 6707005452, 10060508178, 20121016356]

約数ペア:

[(1, 20121016356), (2, 10060508178), (3, 6707005452), (4, 5030254089), (6, 3353502726), (7, 2874430908), (9, 2235668484), (12, 1676751363), (14, 1437215454), (18, 1117834242), (21, 958143636), (27, 745222828), (28, 718607727), (36, 558917121), (42, 479071818), (54, 372611414), (63, 319381212), (84, 239535909), (108, 186305707), (126, 159690606), (189, 106460404), (252, 79845303), (378, 53230202), (509, 39530484), (756, 26615101), (1018, 19765242), (1527, 13176828), (2036, 9882621), (3054, 6588414), (3563, 5647212), (4581, 4392276), (6108, 3294207), (7126, 2823606), (9162, 2196138), (10689, 1882404), (13743, 1464092), (14252, 1411803), (18324, 1098069), (21378, 941202), (27486, 732046), (32067, 627468), (42756, 470601), (52289, 384804), (54972, 366023), (64134, 313734), (96201, 209156), (104578, 192402), (128268, 156867)]