20256214720

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{9042953}}^1$

素因数の和:9042977

約数の個数: 56

約数和(自身を含む): 55125847584

約数和(自身を除く): 34869632864

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 9042953, 18085906, 36171812, 45214765, 63300671, 72343624, 90429530, 126601342, 144687248, 180859060, 253202684, 289374496, 316503355, 361718120, 506405368, 578748992, 633006710, 723436240, 1012810736, 1266013420, 1446872480, 2025621472, 2532026840, 2893744960, 4051242944, 5064053680, 10128107360, 20256214720]

約数ペア:

[(1, 20256214720), (2, 10128107360), (4, 5064053680), (5, 4051242944), (7, 2893744960), (8, 2532026840), (10, 2025621472), (14, 1446872480), (16, 1266013420), (20, 1012810736), (28, 723436240), (32, 633006710), (35, 578748992), (40, 506405368), (56, 361718120), (64, 316503355), (70, 289374496), (80, 253202684), (112, 180859060), (140, 144687248), (160, 126601342), (224, 90429530), (280, 72343624), (320, 63300671), (448, 45214765), (560, 36171812), (1120, 18085906), (2240, 9042953)]