20805577800

素因数分解:

$2^3\times 3^1\times 5^2\times 7^1\times {\mathrm{4953709}}^1$

素因数の和:4953735

約数の個数: 96

約数和(自身を含む): 73711204800

約数和(自身を除く): 52905627000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 25, 28, 30, 35, 40, 42, 50, 56, 60, 70, 75, 84, 100, 105, 120, 140, 150, 168, 175, 200, 210, 280, 300, 350, 420, 525, 600, 700, 840, 1050, 1400, 2100, 4200, 4953709, 9907418, 14861127, 19814836, 24768545, 29722254, 34675963, 39629672, 49537090, 59444508, 69351926, 74305635, 99074180, 104027889, 118889016, 123842725, 138703852, 148611270, 173379815, 198148360, 208055778, 247685450, 277407704, 297222540, 346759630, 371528175, 416111556, 495370900, 520139445, 594445080, 693519260, 743056350, 832223112, 866899075, 990741800, 1040278890, 1387038520, 1486112700, 1733798150, 2080557780, 2600697225, 2972225400, 3467596300, 4161115560, 5201394450, 6935192600, 10402788900, 20805577800]

約数ペア:

[(1, 20805577800), (2, 10402788900), (3, 6935192600), (4, 5201394450), (5, 4161115560), (6, 3467596300), (7, 2972225400), (8, 2600697225), (10, 2080557780), (12, 1733798150), (14, 1486112700), (15, 1387038520), (20, 1040278890), (21, 990741800), (24, 866899075), (25, 832223112), (28, 743056350), (30, 693519260), (35, 594445080), (40, 520139445), (42, 495370900), (50, 416111556), (56, 371528175), (60, 346759630), (70, 297222540), (75, 277407704), (84, 247685450), (100, 208055778), (105, 198148360), (120, 173379815), (140, 148611270), (150, 138703852), (168, 123842725), (175, 118889016), (200, 104027889), (210, 99074180), (280, 74305635), (300, 69351926), (350, 59444508), (420, 49537090), (525, 39629672), (600, 34675963), (700, 29722254), (840, 24768545), (1050, 19814836), (1400, 14861127), (2100, 9907418), (4200, 4953709)]