20988333152

素因数分解:

$2^5\times {\mathrm{23}}^2\times {\mathrm{89}}^1\times {\mathrm{13931}}^1$

素因数の和:14076

約数の個数: 72

約数和(自身を含む): 43683925320

約数和(自身を除く): 22695592168

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 89, 92, 178, 184, 356, 368, 529, 712, 736, 1058, 1424, 2047, 2116, 2848, 4094, 4232, 8188, 8464, 13931, 16376, 16928, 27862, 32752, 47081, 55724, 65504, 94162, 111448, 188324, 222896, 320413, 376648, 445792, 640826, 753296, 1239859, 1281652, 1506592, 2479718, 2563304, 4959436, 5126608, 7369499, 9918872, 10253216, 14738998, 19837744, 28516757, 29477996, 39675488, 57033514, 58955992, 114067028, 117911984, 228134056, 235823968, 456268112, 655885411, 912536224, 1311770822, 2623541644, 5247083288, 10494166576, 20988333152]

約数ペア:

[(1, 20988333152), (2, 10494166576), (4, 5247083288), (8, 2623541644), (16, 1311770822), (23, 912536224), (32, 655885411), (46, 456268112), (89, 235823968), (92, 228134056), (178, 117911984), (184, 114067028), (356, 58955992), (368, 57033514), (529, 39675488), (712, 29477996), (736, 28516757), (1058, 19837744), (1424, 14738998), (2047, 10253216), (2116, 9918872), (2848, 7369499), (4094, 5126608), (4232, 4959436), (8188, 2563304), (8464, 2479718), (13931, 1506592), (16376, 1281652), (16928, 1239859), (27862, 753296), (32752, 640826), (47081, 445792), (55724, 376648), (65504, 320413), (94162, 222896), (111448, 188324)]