20161491808

素因数分解:

$2^5\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{134081}}^1$

素因数の和:134255

約数の個数: 48

約数和(自身を含む): 41087015424

約数和(自身を除く): 20925523616

約数列:

[1, 2, 4, 8, 16, 32, 37, 74, 127, 148, 254, 296, 508, 592, 1016, 1184, 2032, 4064, 4699, 9398, 18796, 37592, 75184, 134081, 150368, 268162, 536324, 1072648, 2145296, 4290592, 4960997, 9921994, 17028287, 19843988, 34056574, 39687976, 68113148, 79375952, 136226296, 158751904, 272452592, 544905184, 630046619, 1260093238, 2520186476, 5040372952, 10080745904, 20161491808]

約数ペア:

[(1, 20161491808), (2, 10080745904), (4, 5040372952), (8, 2520186476), (16, 1260093238), (32, 630046619), (37, 544905184), (74, 272452592), (127, 158751904), (148, 136226296), (254, 79375952), (296, 68113148), (508, 39687976), (592, 34056574), (1016, 19843988), (1184, 17028287), (2032, 9921994), (4064, 4960997), (4699, 4290592), (9398, 2145296), (18796, 1072648), (37592, 536324), (75184, 268162), (134081, 150368)]