20071168

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{163}}^1$

素因数の和:229

約数の個数: 72

約数和(自身を含む): 44583728

約数和(自身を除く): 24512560

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 37, 52, 64, 74, 104, 128, 148, 163, 208, 256, 296, 326, 416, 481, 592, 652, 832, 962, 1184, 1304, 1664, 1924, 2119, 2368, 2608, 3328, 3848, 4238, 4736, 5216, 6031, 7696, 8476, 9472, 10432, 12062, 15392, 16952, 20864, 24124, 30784, 33904, 41728, 48248, 61568, 67808, 78403, 96496, 123136, 135616, 156806, 192992, 271232, 313612, 385984, 542464, 627224, 771968, 1254448, 1543936, 2508896, 5017792, 10035584, 20071168]

約数ペア:

[(1, 20071168), (2, 10035584), (4, 5017792), (8, 2508896), (13, 1543936), (16, 1254448), (26, 771968), (32, 627224), (37, 542464), (52, 385984), (64, 313612), (74, 271232), (104, 192992), (128, 156806), (148, 135616), (163, 123136), (208, 96496), (256, 78403), (296, 67808), (326, 61568), (416, 48248), (481, 41728), (592, 33904), (652, 30784), (832, 24124), (962, 20864), (1184, 16952), (1304, 15392), (1664, 12062), (1924, 10432), (2119, 9472), (2368, 8476), (2608, 7696), (3328, 6031), (3848, 5216), (4238, 4736)]