20503902540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{131}}^1\times {\mathrm{21559}}^1$

素因数の和:21724

約数の個数: 144

約数和(自身を含む): 63589236480

約数和(自身を除く): 43085333940

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 121, 131, 132, 165, 220, 242, 262, 330, 363, 393, 484, 524, 605, 655, 660, 726, 786, 1210, 1310, 1441, 1452, 1572, 1815, 1965, 2420, 2620, 2882, 3630, 3930, 4323, 5764, 7205, 7260, 7860, 8646, 14410, 15851, 17292, 21559, 21615, 28820, 31702, 43118, 43230, 47553, 63404, 64677, 79255, 86236, 86460, 95106, 107795, 129354, 158510, 190212, 215590, 237149, 237765, 258708, 317020, 323385, 431180, 474298, 475530, 646770, 711447, 948596, 951060, 1185745, 1293540, 1422894, 2371490, 2608639, 2824229, 2845788, 3557235, 4742980, 5217278, 5648458, 7114470, 7825917, 8472687, 10434556, 11296916, 13043195, 14121145, 14228940, 15651834, 16945374, 26086390, 28242290, 31066519, 31303668, 33890748, 39129585, 42363435, 52172780, 56484580, 62133038, 78259170, 84726870, 93199557, 124266076, 155332595, 156518340, 169453740, 186399114, 310665190, 341731709, 372798228, 465997785, 621330380, 683463418, 931995570, 1025195127, 1366926836, 1708658545, 1863991140, 2050390254, 3417317090, 4100780508, 5125975635, 6834634180, 10251951270, 20503902540]

約数ペア:

[(1, 20503902540), (2, 10251951270), (3, 6834634180), (4, 5125975635), (5, 4100780508), (6, 3417317090), (10, 2050390254), (11, 1863991140), (12, 1708658545), (15, 1366926836), (20, 1025195127), (22, 931995570), (30, 683463418), (33, 621330380), (44, 465997785), (55, 372798228), (60, 341731709), (66, 310665190), (110, 186399114), (121, 169453740), (131, 156518340), (132, 155332595), (165, 124266076), (220, 93199557), (242, 84726870), (262, 78259170), (330, 62133038), (363, 56484580), (393, 52172780), (484, 42363435), (524, 39129585), (605, 33890748), (655, 31303668), (660, 31066519), (726, 28242290), (786, 26086390), (1210, 16945374), (1310, 15651834), (1441, 14228940), (1452, 14121145), (1572, 13043195), (1815, 11296916), (1965, 10434556), (2420, 8472687), (2620, 7825917), (2882, 7114470), (3630, 5648458), (3930, 5217278), (4323, 4742980), (5764, 3557235), (7205, 2845788), (7260, 2824229), (7860, 2608639), (8646, 2371490), (14410, 1422894), (15851, 1293540), (17292, 1185745), (21559, 951060), (21615, 948596), (28820, 711447), (31702, 646770), (43118, 475530), (43230, 474298), (47553, 431180), (63404, 323385), (64677, 317020), (79255, 258708), (86236, 237765), (86460, 237149), (95106, 215590), (107795, 190212), (129354, 158510)]