20147616232

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{401}}^1\times {\mathrm{571}}^1\times {\mathrm{647}}^1$

素因数の和:1642

約数の個数: 64

約数和(自身を含む): 40231002240

約数和(自身を除く): 20083386008

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 401, 571, 647, 802, 1142, 1294, 1604, 2284, 2588, 3208, 4568, 5176, 6817, 9707, 10999, 13634, 19414, 21998, 27268, 38828, 43996, 54536, 77656, 87992, 228971, 259447, 369437, 457942, 518894, 738874, 915884, 1037788, 1477748, 1831768, 2075576, 2955496, 3892507, 4410599, 6280429, 7785014, 8821198, 12560858, 15570028, 17642396, 25121716, 31140056, 35284792, 50243432, 148144237, 296288474, 592576948, 1185153896, 2518452029, 5036904058, 10073808116, 20147616232]

約数ペア:

[(1, 20147616232), (2, 10073808116), (4, 5036904058), (8, 2518452029), (17, 1185153896), (34, 592576948), (68, 296288474), (136, 148144237), (401, 50243432), (571, 35284792), (647, 31140056), (802, 25121716), (1142, 17642396), (1294, 15570028), (1604, 12560858), (2284, 8821198), (2588, 7785014), (3208, 6280429), (4568, 4410599), (5176, 3892507), (6817, 2955496), (9707, 2075576), (10999, 1831768), (13634, 1477748), (19414, 1037788), (21998, 915884), (27268, 738874), (38828, 518894), (43996, 457942), (54536, 369437), (77656, 259447), (87992, 228971)]