20663991504

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{649321}}^1$

素因数の和:649365

約数の個数: 120

約数和(自身を含む): 65942545032

約数和(自身を除く): 45278553528

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 17, 18, 24, 26, 34, 36, 39, 48, 51, 52, 68, 72, 78, 102, 104, 117, 136, 144, 153, 156, 204, 208, 221, 234, 272, 306, 312, 408, 442, 468, 612, 624, 663, 816, 884, 936, 1224, 1326, 1768, 1872, 1989, 2448, 2652, 3536, 3978, 5304, 7956, 10608, 15912, 31824, 649321, 1298642, 1947963, 2597284, 3895926, 5194568, 5843889, 7791852, 8441173, 10389136, 11038457, 11687778, 15583704, 16882346, 22076914, 23375556, 25323519, 31167408, 33115371, 33764692, 44153828, 46751112, 50647038, 66230742, 67529384, 75970557, 88307656, 93502224, 99346113, 101294076, 132461484, 135058768, 143499941, 151941114, 176615312, 198692226, 202588152, 264922968, 286999882, 303882228, 397384452, 405176304, 430499823, 529845936, 573999764, 607764456, 794768904, 860999646, 1147999528, 1215528912, 1291499469, 1589537808, 1721999292, 2295999056, 2582998938, 3443998584, 5165997876, 6887997168, 10331995752, 20663991504]

約数ペア:

[(1, 20663991504), (2, 10331995752), (3, 6887997168), (4, 5165997876), (6, 3443998584), (8, 2582998938), (9, 2295999056), (12, 1721999292), (13, 1589537808), (16, 1291499469), (17, 1215528912), (18, 1147999528), (24, 860999646), (26, 794768904), (34, 607764456), (36, 573999764), (39, 529845936), (48, 430499823), (51, 405176304), (52, 397384452), (68, 303882228), (72, 286999882), (78, 264922968), (102, 202588152), (104, 198692226), (117, 176615312), (136, 151941114), (144, 143499941), (153, 135058768), (156, 132461484), (204, 101294076), (208, 99346113), (221, 93502224), (234, 88307656), (272, 75970557), (306, 67529384), (312, 66230742), (408, 50647038), (442, 46751112), (468, 44153828), (612, 33764692), (624, 33115371), (663, 31167408), (816, 25323519), (884, 23375556), (936, 22076914), (1224, 16882346), (1326, 15583704), (1768, 11687778), (1872, 11038457), (1989, 10389136), (2448, 8441173), (2652, 7791852), (3536, 5843889), (3978, 5194568), (5304, 3895926), (7956, 2597284), (10608, 1947963), (15912, 1298642), (31824, 649321)]