20389617352

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{601}}^1\times {\mathrm{619}}^1$

素因数の和:1287

約数の個数: 128

約数和(自身を含む): 45147110400

約数和(自身を除く): 24757493048

約数列:

[1, 2, 4, 8, 13, 17, 26, 31, 34, 52, 62, 68, 104, 124, 136, 221, 248, 403, 442, 527, 601, 619, 806, 884, 1054, 1202, 1238, 1612, 1768, 2108, 2404, 2476, 3224, 4216, 4808, 4952, 6851, 7813, 8047, 10217, 10523, 13702, 15626, 16094, 18631, 19189, 20434, 21046, 27404, 31252, 32188, 37262, 38378, 40868, 42092, 54808, 62504, 64376, 74524, 76756, 81736, 84184, 132821, 136799, 149048, 153512, 242203, 249457, 265642, 273598, 316727, 326213, 372019, 484406, 498914, 531284, 547196, 633454, 652426, 744038, 968812, 997828, 1062568, 1094392, 1266908, 1304852, 1488076, 1937624, 1995656, 2533816, 2609704, 2976152, 4117451, 4240769, 4836247, 6324323, 8234902, 8481538, 9672494, 11532589, 12648646, 16469804, 16963076, 19344988, 23065178, 25297292, 32939608, 33926152, 38689976, 46130356, 50594584, 82216199, 92260712, 149923657, 164432398, 196054013, 299847314, 328864796, 392108026, 599694628, 657729592, 784216052, 1199389256, 1568432104, 2548702169, 5097404338, 10194808676, 20389617352]

約数ペア:

[(1, 20389617352), (2, 10194808676), (4, 5097404338), (8, 2548702169), (13, 1568432104), (17, 1199389256), (26, 784216052), (31, 657729592), (34, 599694628), (52, 392108026), (62, 328864796), (68, 299847314), (104, 196054013), (124, 164432398), (136, 149923657), (221, 92260712), (248, 82216199), (403, 50594584), (442, 46130356), (527, 38689976), (601, 33926152), (619, 32939608), (806, 25297292), (884, 23065178), (1054, 19344988), (1202, 16963076), (1238, 16469804), (1612, 12648646), (1768, 11532589), (2108, 9672494), (2404, 8481538), (2476, 8234902), (3224, 6324323), (4216, 4836247), (4808, 4240769), (4952, 4117451), (6851, 2976152), (7813, 2609704), (8047, 2533816), (10217, 1995656), (10523, 1937624), (13702, 1488076), (15626, 1304852), (16094, 1266908), (18631, 1094392), (19189, 1062568), (20434, 997828), (21046, 968812), (27404, 744038), (31252, 652426), (32188, 633454), (37262, 547196), (38378, 531284), (40868, 498914), (42092, 484406), (54808, 372019), (62504, 326213), (64376, 316727), (74524, 273598), (76756, 265642), (81736, 249457), (84184, 242203), (132821, 153512), (136799, 149048)]