20128123548

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{26177}}^1$

素因数の和:26284

約数の個数: 144

約数和(自身を含む): 57630134016

約数和(自身を除く): 37502010468

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 31, 36, 39, 52, 53, 62, 78, 93, 106, 117, 124, 156, 159, 186, 212, 234, 279, 318, 372, 403, 468, 477, 558, 636, 689, 806, 954, 1116, 1209, 1378, 1612, 1643, 1908, 2067, 2418, 2756, 3286, 3627, 4134, 4836, 4929, 6201, 6572, 7254, 8268, 9858, 12402, 14508, 14787, 19716, 21359, 24804, 26177, 29574, 42718, 52354, 59148, 64077, 78531, 85436, 104708, 128154, 157062, 192231, 235593, 256308, 314124, 340301, 384462, 471186, 680602, 768924, 811487, 942372, 1020903, 1361204, 1387381, 1622974, 2041806, 2434461, 2774762, 3062709, 3245948, 4083612, 4162143, 4868922, 5549524, 6125418, 7303383, 8324286, 9737844, 10549331, 12250836, 12486429, 14606766, 16648572, 18035953, 21098662, 24972858, 29213532, 31647993, 36071906, 42197324, 43008811, 49945716, 54107859, 63295986, 72143812, 86017622, 94943979, 108215718, 126591972, 129026433, 162323577, 172035244, 189887958, 216431436, 258052866, 324647154, 379775916, 387079299, 516105732, 559114543, 649294308, 774158598, 1118229086, 1548317196, 1677343629, 2236458172, 3354687258, 5032030887, 6709374516, 10064061774, 20128123548]

約数ペア:

[(1, 20128123548), (2, 10064061774), (3, 6709374516), (4, 5032030887), (6, 3354687258), (9, 2236458172), (12, 1677343629), (13, 1548317196), (18, 1118229086), (26, 774158598), (31, 649294308), (36, 559114543), (39, 516105732), (52, 387079299), (53, 379775916), (62, 324647154), (78, 258052866), (93, 216431436), (106, 189887958), (117, 172035244), (124, 162323577), (156, 129026433), (159, 126591972), (186, 108215718), (212, 94943979), (234, 86017622), (279, 72143812), (318, 63295986), (372, 54107859), (403, 49945716), (468, 43008811), (477, 42197324), (558, 36071906), (636, 31647993), (689, 29213532), (806, 24972858), (954, 21098662), (1116, 18035953), (1209, 16648572), (1378, 14606766), (1612, 12486429), (1643, 12250836), (1908, 10549331), (2067, 9737844), (2418, 8324286), (2756, 7303383), (3286, 6125418), (3627, 5549524), (4134, 4868922), (4836, 4162143), (4929, 4083612), (6201, 3245948), (6572, 3062709), (7254, 2774762), (8268, 2434461), (9858, 2041806), (12402, 1622974), (14508, 1387381), (14787, 1361204), (19716, 1020903), (21359, 942372), (24804, 811487), (26177, 768924), (29574, 680602), (42718, 471186), (52354, 384462), (59148, 340301), (64077, 314124), (78531, 256308), (85436, 235593), (104708, 192231), (128154, 157062)]