20746811280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1439}}^1\times {\mathrm{4621}}^1$

素因数の和:6089

約数の個数: 160

約数和(自身を含む): 69325562880

約数和(自身を除く): 48578751600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1439, 1560, 2878, 3120, 4317, 4621, 5756, 7195, 8634, 9242, 11512, 13863, 14390, 17268, 18484, 18707, 21585, 23024, 23105, 27726, 28780, 34536, 36968, 37414, 43170, 46210, 55452, 56121, 57560, 60073, 69072, 69315, 73936, 74828, 86340, 92420, 93535, 110904, 112242, 115120, 120146, 138630, 149656, 172680, 180219, 184840, 187070, 221808, 224484, 240292, 277260, 280605, 299312, 300365, 345360, 360438, 369680, 374140, 448968, 480584, 554520, 561210, 600730, 720876, 748280, 897936, 901095, 961168, 1109040, 1122420, 1201460, 1441752, 1496560, 1802190, 2244840, 2402920, 2883504, 3604380, 4489680, 4805840, 6649619, 7208760, 13299238, 14417520, 19948857, 26598476, 33248095, 39897714, 53196952, 66496190, 79795428, 86445047, 99744285, 106393904, 132992380, 159590856, 172890094, 199488570, 259335141, 265984760, 319181712, 345780188, 398977140, 432225235, 518670282, 531969520, 691560376, 797954280, 864450470, 1037340564, 1296675705, 1383120752, 1595908560, 1728900940, 2074681128, 2593351410, 3457801880, 4149362256, 5186702820, 6915603760, 10373405640, 20746811280]

約数ペア:

[(1, 20746811280), (2, 10373405640), (3, 6915603760), (4, 5186702820), (5, 4149362256), (6, 3457801880), (8, 2593351410), (10, 2074681128), (12, 1728900940), (13, 1595908560), (15, 1383120752), (16, 1296675705), (20, 1037340564), (24, 864450470), (26, 797954280), (30, 691560376), (39, 531969520), (40, 518670282), (48, 432225235), (52, 398977140), (60, 345780188), (65, 319181712), (78, 265984760), (80, 259335141), (104, 199488570), (120, 172890094), (130, 159590856), (156, 132992380), (195, 106393904), (208, 99744285), (240, 86445047), (260, 79795428), (312, 66496190), (390, 53196952), (520, 39897714), (624, 33248095), (780, 26598476), (1040, 19948857), (1439, 14417520), (1560, 13299238), (2878, 7208760), (3120, 6649619), (4317, 4805840), (4621, 4489680), (5756, 3604380), (7195, 2883504), (8634, 2402920), (9242, 2244840), (11512, 1802190), (13863, 1496560), (14390, 1441752), (17268, 1201460), (18484, 1122420), (18707, 1109040), (21585, 961168), (23024, 901095), (23105, 897936), (27726, 748280), (28780, 720876), (34536, 600730), (36968, 561210), (37414, 554520), (43170, 480584), (46210, 448968), (55452, 374140), (56121, 369680), (57560, 360438), (60073, 345360), (69072, 300365), (69315, 299312), (73936, 280605), (74828, 277260), (86340, 240292), (92420, 224484), (93535, 221808), (110904, 187070), (112242, 184840), (115120, 180219), (120146, 172680), (138630, 149656)]