20199090924

素因数分解:

$2^2\times 3^2\times {\mathrm{47}}^1\times {\mathrm{1789}}^1\times {\mathrm{6673}}^1$

素因数の和:8519

約数の個数: 72

約数和(自身を含む): 52182137280

約数和(自身を除く): 31983046356

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 47, 94, 141, 188, 282, 423, 564, 846, 1692, 1789, 3578, 5367, 6673, 7156, 10734, 13346, 16101, 20019, 21468, 26692, 32202, 40038, 60057, 64404, 80076, 84083, 120114, 168166, 240228, 252249, 313631, 336332, 504498, 627262, 756747, 940893, 1008996, 1254524, 1513494, 1881786, 2822679, 3026988, 3763572, 5645358, 11290716, 11937997, 23875994, 35813991, 47751988, 71627982, 107441973, 143255964, 214883946, 429767892, 561085859, 1122171718, 1683257577, 2244343436, 3366515154, 5049772731, 6733030308, 10099545462, 20199090924]

約数ペア:

[(1, 20199090924), (2, 10099545462), (3, 6733030308), (4, 5049772731), (6, 3366515154), (9, 2244343436), (12, 1683257577), (18, 1122171718), (36, 561085859), (47, 429767892), (94, 214883946), (141, 143255964), (188, 107441973), (282, 71627982), (423, 47751988), (564, 35813991), (846, 23875994), (1692, 11937997), (1789, 11290716), (3578, 5645358), (5367, 3763572), (6673, 3026988), (7156, 2822679), (10734, 1881786), (13346, 1513494), (16101, 1254524), (20019, 1008996), (21468, 940893), (26692, 756747), (32202, 627262), (40038, 504498), (60057, 336332), (64404, 313631), (80076, 252249), (84083, 240228), (120114, 168166)]