20786053860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{807539}}^1$

素因数の和:807578

約数の個数: 144

約数和(自身を含む): 74074029120

約数和(自身を除く): 53287975260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 13, 15, 18, 20, 22, 26, 30, 33, 36, 39, 44, 45, 52, 55, 60, 65, 66, 78, 90, 99, 110, 117, 130, 132, 143, 156, 165, 180, 195, 198, 220, 234, 260, 286, 330, 390, 396, 429, 468, 495, 572, 585, 660, 715, 780, 858, 990, 1170, 1287, 1430, 1716, 1980, 2145, 2340, 2574, 2860, 4290, 5148, 6435, 8580, 12870, 25740, 807539, 1615078, 2422617, 3230156, 4037695, 4845234, 7267851, 8075390, 8882929, 9690468, 10498007, 12113085, 14535702, 16150780, 17765858, 20996014, 24226170, 26648787, 29071404, 31494021, 35531716, 36339255, 41992028, 44414645, 48452340, 52490035, 53297574, 62988042, 72678510, 79946361, 88829290, 94482063, 104980070, 106595148, 115478077, 125976084, 133243935, 145357020, 157470105, 159892722, 177658580, 188964126, 209960140, 230956154, 266487870, 314940210, 319785444, 346434231, 377928252, 399731805, 461912308, 472410315, 532975740, 577390385, 629880420, 692868462, 799463610, 944820630, 1039302693, 1154780770, 1385736924, 1598927220, 1732171155, 1889641260, 2078605386, 2309561540, 3464342310, 4157210772, 5196513465, 6928684620, 10393026930, 20786053860]

約数ペア:

[(1, 20786053860), (2, 10393026930), (3, 6928684620), (4, 5196513465), (5, 4157210772), (6, 3464342310), (9, 2309561540), (10, 2078605386), (11, 1889641260), (12, 1732171155), (13, 1598927220), (15, 1385736924), (18, 1154780770), (20, 1039302693), (22, 944820630), (26, 799463610), (30, 692868462), (33, 629880420), (36, 577390385), (39, 532975740), (44, 472410315), (45, 461912308), (52, 399731805), (55, 377928252), (60, 346434231), (65, 319785444), (66, 314940210), (78, 266487870), (90, 230956154), (99, 209960140), (110, 188964126), (117, 177658580), (130, 159892722), (132, 157470105), (143, 145357020), (156, 133243935), (165, 125976084), (180, 115478077), (195, 106595148), (198, 104980070), (220, 94482063), (234, 88829290), (260, 79946361), (286, 72678510), (330, 62988042), (390, 53297574), (396, 52490035), (429, 48452340), (468, 44414645), (495, 41992028), (572, 36339255), (585, 35531716), (660, 31494021), (715, 29071404), (780, 26648787), (858, 24226170), (990, 20996014), (1170, 17765858), (1287, 16150780), (1430, 14535702), (1716, 12113085), (1980, 10498007), (2145, 9690468), (2340, 8882929), (2574, 8075390), (2860, 7267851), (4290, 4845234), (5148, 4037695), (6435, 3230156), (8580, 2422617), (12870, 1615078), (25740, 807539)]