20891229144

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{37957}}^1$

素因数の和:38073

約数の個数: 128

約数和(自身を含む): 59032281600

約数和(自身を除く): 38141052456

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 19, 24, 34, 38, 51, 57, 68, 71, 76, 102, 114, 136, 142, 152, 204, 213, 228, 284, 323, 408, 426, 456, 568, 646, 852, 969, 1207, 1292, 1349, 1704, 1938, 2414, 2584, 2698, 3621, 3876, 4047, 4828, 5396, 7242, 7752, 8094, 9656, 10792, 14484, 16188, 22933, 28968, 32376, 37957, 45866, 68799, 75914, 91732, 113871, 137598, 151828, 183464, 227742, 275196, 303656, 455484, 550392, 645269, 721183, 910968, 1290538, 1442366, 1935807, 2163549, 2581076, 2694947, 2884732, 3871614, 4327098, 5162152, 5389894, 5769464, 7743228, 8084841, 8654196, 10779788, 12260111, 15486456, 16169682, 17308392, 21559576, 24520222, 32339364, 36780333, 45814099, 49040444, 51203993, 64678728, 73560666, 91628198, 98080888, 102407986, 137442297, 147121332, 153611979, 183256396, 204815972, 274884594, 294242664, 307223958, 366512792, 409631944, 549769188, 614447916, 870467881, 1099538376, 1228895832, 1740935762, 2611403643, 3481871524, 5222807286, 6963743048, 10445614572, 20891229144]

約数ペア:

[(1, 20891229144), (2, 10445614572), (3, 6963743048), (4, 5222807286), (6, 3481871524), (8, 2611403643), (12, 1740935762), (17, 1228895832), (19, 1099538376), (24, 870467881), (34, 614447916), (38, 549769188), (51, 409631944), (57, 366512792), (68, 307223958), (71, 294242664), (76, 274884594), (102, 204815972), (114, 183256396), (136, 153611979), (142, 147121332), (152, 137442297), (204, 102407986), (213, 98080888), (228, 91628198), (284, 73560666), (323, 64678728), (408, 51203993), (426, 49040444), (456, 45814099), (568, 36780333), (646, 32339364), (852, 24520222), (969, 21559576), (1207, 17308392), (1292, 16169682), (1349, 15486456), (1704, 12260111), (1938, 10779788), (2414, 8654196), (2584, 8084841), (2698, 7743228), (3621, 5769464), (3876, 5389894), (4047, 5162152), (4828, 4327098), (5396, 3871614), (7242, 2884732), (7752, 2694947), (8094, 2581076), (9656, 2163549), (10792, 1935807), (14484, 1442366), (16188, 1290538), (22933, 910968), (28968, 721183), (32376, 645269), (37957, 550392), (45866, 455484), (68799, 303656), (75914, 275196), (91732, 227742), (113871, 183464), (137598, 151828)]