20004001002

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{29231}}^1$

素因数の和:29313

約数の個数: 128

約数和(自身を含む): 50512896000

約数和(自身を除く): 30508894998

約数列:

[1, 2, 3, 6, 9, 18, 19, 23, 27, 29, 38, 46, 54, 57, 58, 69, 87, 114, 138, 171, 174, 207, 261, 342, 414, 437, 513, 522, 551, 621, 667, 783, 874, 1026, 1102, 1242, 1311, 1334, 1566, 1653, 2001, 2622, 3306, 3933, 4002, 4959, 6003, 7866, 9918, 11799, 12006, 12673, 14877, 18009, 23598, 25346, 29231, 29754, 36018, 38019, 58462, 76038, 87693, 114057, 175386, 228114, 263079, 342171, 526158, 555389, 672313, 684342, 789237, 847699, 1110778, 1344626, 1578474, 1666167, 1695398, 2016939, 2543097, 3332334, 4033878, 4998501, 5086194, 6050817, 7629291, 9997002, 12101634, 12773947, 14995503, 15258582, 16106281, 18152451, 19497077, 22887873, 25547894, 29991006, 32212562, 36304902, 38321841, 38994154, 45775746, 48318843, 58491231, 76643682, 96637686, 114965523, 116982462, 144956529, 175473693, 229931046, 289913058, 344896569, 350947386, 370444463, 434869587, 526421079, 689793138, 740888926, 869739174, 1052842158, 1111333389, 2222666778, 3334000167, 6668000334, 10002000501, 20004001002]

約数ペア:

[(1, 20004001002), (2, 10002000501), (3, 6668000334), (6, 3334000167), (9, 2222666778), (18, 1111333389), (19, 1052842158), (23, 869739174), (27, 740888926), (29, 689793138), (38, 526421079), (46, 434869587), (54, 370444463), (57, 350947386), (58, 344896569), (69, 289913058), (87, 229931046), (114, 175473693), (138, 144956529), (171, 116982462), (174, 114965523), (207, 96637686), (261, 76643682), (342, 58491231), (414, 48318843), (437, 45775746), (513, 38994154), (522, 38321841), (551, 36304902), (621, 32212562), (667, 29991006), (783, 25547894), (874, 22887873), (1026, 19497077), (1102, 18152451), (1242, 16106281), (1311, 15258582), (1334, 14995503), (1566, 12773947), (1653, 12101634), (2001, 9997002), (2622, 7629291), (3306, 6050817), (3933, 5086194), (4002, 4998501), (4959, 4033878), (6003, 3332334), (7866, 2543097), (9918, 2016939), (11799, 1695398), (12006, 1666167), (12673, 1578474), (14877, 1344626), (18009, 1110778), (23598, 847699), (25346, 789237), (29231, 684342), (29754, 672313), (36018, 555389), (38019, 526158), (58462, 342171), (76038, 263079), (87693, 228114), (114057, 175386)]