20305320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1051}}^1$

素因数の和:1095

約数の個数: 128

約数和(自身を含む): 72714240

約数和(自身を除く): 52408920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 23, 24, 28, 30, 35, 40, 42, 46, 56, 60, 69, 70, 84, 92, 105, 115, 120, 138, 140, 161, 168, 184, 210, 230, 276, 280, 322, 345, 420, 460, 483, 552, 644, 690, 805, 840, 920, 966, 1051, 1288, 1380, 1610, 1932, 2102, 2415, 2760, 3153, 3220, 3864, 4204, 4830, 5255, 6306, 6440, 7357, 8408, 9660, 10510, 12612, 14714, 15765, 19320, 21020, 22071, 24173, 25224, 29428, 31530, 36785, 42040, 44142, 48346, 58856, 63060, 72519, 73570, 88284, 96692, 110355, 120865, 126120, 145038, 147140, 169211, 176568, 193384, 220710, 241730, 290076, 294280, 338422, 362595, 441420, 483460, 507633, 580152, 676844, 725190, 846055, 882840, 966920, 1015266, 1353688, 1450380, 1692110, 2030532, 2538165, 2900760, 3384220, 4061064, 5076330, 6768440, 10152660, 20305320]

約数ペア:

[(1, 20305320), (2, 10152660), (3, 6768440), (4, 5076330), (5, 4061064), (6, 3384220), (7, 2900760), (8, 2538165), (10, 2030532), (12, 1692110), (14, 1450380), (15, 1353688), (20, 1015266), (21, 966920), (23, 882840), (24, 846055), (28, 725190), (30, 676844), (35, 580152), (40, 507633), (42, 483460), (46, 441420), (56, 362595), (60, 338422), (69, 294280), (70, 290076), (84, 241730), (92, 220710), (105, 193384), (115, 176568), (120, 169211), (138, 147140), (140, 145038), (161, 126120), (168, 120865), (184, 110355), (210, 96692), (230, 88284), (276, 73570), (280, 72519), (322, 63060), (345, 58856), (420, 48346), (460, 44142), (483, 42040), (552, 36785), (644, 31530), (690, 29428), (805, 25224), (840, 24173), (920, 22071), (966, 21020), (1051, 19320), (1288, 15765), (1380, 14714), (1610, 12612), (1932, 10510), (2102, 9660), (2415, 8408), (2760, 7357), (3153, 6440), (3220, 6306), (3864, 5255), (4204, 4830)]