20280896

素因数分解:

$2^6\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{131}}^1$

素因数の和:243

約数の個数: 56

約数和(自身を含む): 42245280

約数和(自身を除く): 21964384

約数列:

[1, 2, 4, 8, 16, 32, 41, 59, 64, 82, 118, 131, 164, 236, 262, 328, 472, 524, 656, 944, 1048, 1312, 1888, 2096, 2419, 2624, 3776, 4192, 4838, 5371, 7729, 8384, 9676, 10742, 15458, 19352, 21484, 30916, 38704, 42968, 61832, 77408, 85936, 123664, 154816, 171872, 247328, 316889, 343744, 494656, 633778, 1267556, 2535112, 5070224, 10140448, 20280896]

約数ペア:

[(1, 20280896), (2, 10140448), (4, 5070224), (8, 2535112), (16, 1267556), (32, 633778), (41, 494656), (59, 343744), (64, 316889), (82, 247328), (118, 171872), (131, 154816), (164, 123664), (236, 85936), (262, 77408), (328, 61832), (472, 42968), (524, 38704), (656, 30916), (944, 21484), (1048, 19352), (1312, 15458), (1888, 10742), (2096, 9676), (2419, 8384), (2624, 7729), (3776, 5371), (4192, 4838)]