20578704

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{25219}}^1$

素因数の和:25247

約数の個数: 40

約数和(自身を含む): 56291040

約数和(自身を除く): 35712336

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 34, 48, 51, 68, 102, 136, 204, 272, 408, 816, 25219, 50438, 75657, 100876, 151314, 201752, 302628, 403504, 428723, 605256, 857446, 1210512, 1286169, 1714892, 2572338, 3429784, 5144676, 6859568, 10289352, 20578704]

約数ペア:

[(1, 20578704), (2, 10289352), (3, 6859568), (4, 5144676), (6, 3429784), (8, 2572338), (12, 1714892), (16, 1286169), (17, 1210512), (24, 857446), (34, 605256), (48, 428723), (51, 403504), (68, 302628), (102, 201752), (136, 151314), (204, 100876), (272, 75657), (408, 50438), (816, 25219)]