20199195240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1045507}}^1$

素因数の和:1045551

約数の個数: 128

約数和(自身を含む): 72265512960

約数和(自身を除く): 52066317720

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, 1288, 1380, 1610, 1932, 2415, 2760, 3220, 3864, 4830, 6440, 9660, 19320, 1045507, 2091014, 3136521, 4182028, 5227535, 6273042, 7318549, 8364056, 10455070, 12546084, 14637098, 15682605, 20910140, 21955647, 24046661, 25092168, 29274196, 31365210, 36592745, 41820280, 43911294, 48093322, 58548392, 62730420, 72139983, 73185490, 87822588, 96186644, 109778235, 120233305, 125460840, 144279966, 146370980, 168326627, 175645176, 192373288, 219556470, 240466610, 288559932, 292741960, 336653254, 360699915, 439112940, 480933220, 504979881, 577119864, 673306508, 721399830, 841633135, 878225880, 961866440, 1009959762, 1346613016, 1442799660, 1683266270, 2019919524, 2524899405, 2885599320, 3366532540, 4039839048, 5049798810, 6733065080, 10099597620, 20199195240]

約数ペア:

[(1, 20199195240), (2, 10099597620), (3, 6733065080), (4, 5049798810), (5, 4039839048), (6, 3366532540), (7, 2885599320), (8, 2524899405), (10, 2019919524), (12, 1683266270), (14, 1442799660), (15, 1346613016), (20, 1009959762), (21, 961866440), (23, 878225880), (24, 841633135), (28, 721399830), (30, 673306508), (35, 577119864), (40, 504979881), (42, 480933220), (46, 439112940), (56, 360699915), (60, 336653254), (69, 292741960), (70, 288559932), (84, 240466610), (92, 219556470), (105, 192373288), (115, 175645176), (120, 168326627), (138, 146370980), (140, 144279966), (161, 125460840), (168, 120233305), (184, 109778235), (210, 96186644), (230, 87822588), (276, 73185490), (280, 72139983), (322, 62730420), (345, 58548392), (420, 48093322), (460, 43911294), (483, 41820280), (552, 36592745), (644, 31365210), (690, 29274196), (805, 25092168), (840, 24046661), (920, 21955647), (966, 20910140), (1288, 15682605), (1380, 14637098), (1610, 12546084), (1932, 10455070), (2415, 8364056), (2760, 7318549), (3220, 6273042), (3864, 5227535), (4830, 4182028), (6440, 3136521), (9660, 2091014), (19320, 1045507)]