20389679184

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{1144973}}^1$

素因数の和:1145044

約数の個数: 80

約数和(自身を含む): 61333967232

約数和(自身を除く): 40944288048

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 53, 56, 84, 106, 112, 159, 168, 212, 318, 336, 371, 424, 636, 742, 848, 1113, 1272, 1484, 2226, 2544, 2968, 4452, 5936, 8904, 17808, 1144973, 2289946, 3434919, 4579892, 6869838, 8014811, 9159784, 13739676, 16029622, 18319568, 24044433, 27479352, 32059244, 48088866, 54958704, 60683569, 64118488, 96177732, 121367138, 128236976, 182050707, 192355464, 242734276, 364101414, 384710928, 424784983, 485468552, 728202828, 849569966, 970937104, 1274354949, 1456405656, 1699139932, 2548709898, 2912811312, 3398279864, 5097419796, 6796559728, 10194839592, 20389679184]

約数ペア:

[(1, 20389679184), (2, 10194839592), (3, 6796559728), (4, 5097419796), (6, 3398279864), (7, 2912811312), (8, 2548709898), (12, 1699139932), (14, 1456405656), (16, 1274354949), (21, 970937104), (24, 849569966), (28, 728202828), (42, 485468552), (48, 424784983), (53, 384710928), (56, 364101414), (84, 242734276), (106, 192355464), (112, 182050707), (159, 128236976), (168, 121367138), (212, 96177732), (318, 64118488), (336, 60683569), (371, 54958704), (424, 48088866), (636, 32059244), (742, 27479352), (848, 24044433), (1113, 18319568), (1272, 16029622), (1484, 13739676), (2226, 9159784), (2544, 8014811), (2968, 6869838), (4452, 4579892), (5936, 3434919), (8904, 2289946), (17808, 1144973)]