20026240

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1$

素因数の和:144

約数の個数: 128

約数和(自身を含む): 53978400

約数和(自身を除く): 33952160

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 29, 32, 40, 52, 58, 64, 65, 80, 83, 104, 116, 128, 130, 145, 160, 166, 208, 232, 260, 290, 320, 332, 377, 415, 416, 464, 520, 580, 640, 664, 754, 830, 832, 928, 1040, 1079, 1160, 1328, 1508, 1660, 1664, 1856, 1885, 2080, 2158, 2320, 2407, 2656, 3016, 3320, 3712, 3770, 4160, 4316, 4640, 4814, 5312, 5395, 6032, 6640, 7540, 8320, 8632, 9280, 9628, 10624, 10790, 12035, 12064, 13280, 15080, 17264, 18560, 19256, 21580, 24070, 24128, 26560, 30160, 31291, 34528, 38512, 43160, 48140, 48256, 53120, 60320, 62582, 69056, 77024, 86320, 96280, 120640, 125164, 138112, 154048, 156455, 172640, 192560, 241280, 250328, 308096, 312910, 345280, 385120, 500656, 625820, 690560, 770240, 1001312, 1251640, 1540480, 2002624, 2503280, 4005248, 5006560, 10013120, 20026240]

約数ペア:

[(1, 20026240), (2, 10013120), (4, 5006560), (5, 4005248), (8, 2503280), (10, 2002624), (13, 1540480), (16, 1251640), (20, 1001312), (26, 770240), (29, 690560), (32, 625820), (40, 500656), (52, 385120), (58, 345280), (64, 312910), (65, 308096), (80, 250328), (83, 241280), (104, 192560), (116, 172640), (128, 156455), (130, 154048), (145, 138112), (160, 125164), (166, 120640), (208, 96280), (232, 86320), (260, 77024), (290, 69056), (320, 62582), (332, 60320), (377, 53120), (415, 48256), (416, 48140), (464, 43160), (520, 38512), (580, 34528), (640, 31291), (664, 30160), (754, 26560), (830, 24128), (832, 24070), (928, 21580), (1040, 19256), (1079, 18560), (1160, 17264), (1328, 15080), (1508, 13280), (1660, 12064), (1664, 12035), (1856, 10790), (1885, 10624), (2080, 9628), (2158, 9280), (2320, 8632), (2407, 8320), (2656, 7540), (3016, 6640), (3320, 6032), (3712, 5395), (3770, 5312), (4160, 4814), (4316, 4640)]