20930560

素因数分解:

$2^{13}\times 5^1\times 7^1\times {\mathrm{73}}^1$

素因数の和:111

約数の個数: 112

約数和(自身を含む): 58192416

約数和(自身を除く): 37261856

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 73, 80, 112, 128, 140, 146, 160, 224, 256, 280, 292, 320, 365, 448, 511, 512, 560, 584, 640, 730, 896, 1022, 1024, 1120, 1168, 1280, 1460, 1792, 2044, 2048, 2240, 2336, 2555, 2560, 2920, 3584, 4088, 4096, 4480, 4672, 5110, 5120, 5840, 7168, 8176, 8192, 8960, 9344, 10220, 10240, 11680, 14336, 16352, 17920, 18688, 20440, 20480, 23360, 28672, 32704, 35840, 37376, 40880, 40960, 46720, 57344, 65408, 71680, 74752, 81760, 93440, 130816, 143360, 149504, 163520, 186880, 261632, 286720, 299008, 327040, 373760, 523264, 598016, 654080, 747520, 1046528, 1308160, 1495040, 2093056, 2616320, 2990080, 4186112, 5232640, 10465280, 20930560]

約数ペア:

[(1, 20930560), (2, 10465280), (4, 5232640), (5, 4186112), (7, 2990080), (8, 2616320), (10, 2093056), (14, 1495040), (16, 1308160), (20, 1046528), (28, 747520), (32, 654080), (35, 598016), (40, 523264), (56, 373760), (64, 327040), (70, 299008), (73, 286720), (80, 261632), (112, 186880), (128, 163520), (140, 149504), (146, 143360), (160, 130816), (224, 93440), (256, 81760), (280, 74752), (292, 71680), (320, 65408), (365, 57344), (448, 46720), (511, 40960), (512, 40880), (560, 37376), (584, 35840), (640, 32704), (730, 28672), (896, 23360), (1022, 20480), (1024, 20440), (1120, 18688), (1168, 17920), (1280, 16352), (1460, 14336), (1792, 11680), (2044, 10240), (2048, 10220), (2240, 9344), (2336, 8960), (2555, 8192), (2560, 8176), (2920, 7168), (3584, 5840), (4088, 5120), (4096, 5110), (4480, 4672)]