20210190

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{673}}^1$

素因数の和:714

約数の個数: 128

約数和(自身を含む): 65221632

約数和(自身を除く): 45011442

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 13, 14, 15, 21, 22, 26, 30, 33, 35, 39, 42, 55, 65, 66, 70, 77, 78, 91, 105, 110, 130, 143, 154, 165, 182, 195, 210, 231, 273, 286, 330, 385, 390, 429, 455, 462, 546, 673, 715, 770, 858, 910, 1001, 1155, 1346, 1365, 1430, 2002, 2019, 2145, 2310, 2730, 3003, 3365, 4038, 4290, 4711, 5005, 6006, 6730, 7403, 8749, 9422, 10010, 10095, 14133, 14806, 15015, 17498, 20190, 22209, 23555, 26247, 28266, 30030, 37015, 43745, 44418, 47110, 51821, 52494, 61243, 70665, 74030, 87490, 96239, 103642, 111045, 122486, 131235, 141330, 155463, 183729, 192478, 222090, 259105, 262470, 288717, 306215, 310926, 367458, 481195, 518210, 577434, 612430, 673673, 777315, 918645, 962390, 1347346, 1443585, 1554630, 1837290, 2021019, 2887170, 3368365, 4042038, 6736730, 10105095, 20210190]

約数ペア:

[(1, 20210190), (2, 10105095), (3, 6736730), (5, 4042038), (6, 3368365), (7, 2887170), (10, 2021019), (11, 1837290), (13, 1554630), (14, 1443585), (15, 1347346), (21, 962390), (22, 918645), (26, 777315), (30, 673673), (33, 612430), (35, 577434), (39, 518210), (42, 481195), (55, 367458), (65, 310926), (66, 306215), (70, 288717), (77, 262470), (78, 259105), (91, 222090), (105, 192478), (110, 183729), (130, 155463), (143, 141330), (154, 131235), (165, 122486), (182, 111045), (195, 103642), (210, 96239), (231, 87490), (273, 74030), (286, 70665), (330, 61243), (385, 52494), (390, 51821), (429, 47110), (455, 44418), (462, 43745), (546, 37015), (673, 30030), (715, 28266), (770, 26247), (858, 23555), (910, 22209), (1001, 20190), (1155, 17498), (1346, 15015), (1365, 14806), (1430, 14133), (2002, 10095), (2019, 10010), (2145, 9422), (2310, 8749), (2730, 7403), (3003, 6730), (3365, 6006), (4038, 5005), (4290, 4711)]