20792940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1597}}^1$

素因数の和:1647

約数の個数: 96

約数和(自身を含む): 68726784

約数和(自身を除く): 47933844

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 60, 62, 70, 84, 93, 105, 124, 140, 155, 186, 210, 217, 310, 372, 420, 434, 465, 620, 651, 868, 930, 1085, 1302, 1597, 1860, 2170, 2604, 3194, 3255, 4340, 4791, 6388, 6510, 7985, 9582, 11179, 13020, 15970, 19164, 22358, 23955, 31940, 33537, 44716, 47910, 49507, 55895, 67074, 95820, 99014, 111790, 134148, 148521, 167685, 198028, 223580, 247535, 297042, 335370, 346549, 495070, 594084, 670740, 693098, 742605, 990140, 1039647, 1386196, 1485210, 1732745, 2079294, 2970420, 3465490, 4158588, 5198235, 6930980, 10396470, 20792940]

約数ペア:

[(1, 20792940), (2, 10396470), (3, 6930980), (4, 5198235), (5, 4158588), (6, 3465490), (7, 2970420), (10, 2079294), (12, 1732745), (14, 1485210), (15, 1386196), (20, 1039647), (21, 990140), (28, 742605), (30, 693098), (31, 670740), (35, 594084), (42, 495070), (60, 346549), (62, 335370), (70, 297042), (84, 247535), (93, 223580), (105, 198028), (124, 167685), (140, 148521), (155, 134148), (186, 111790), (210, 99014), (217, 95820), (310, 67074), (372, 55895), (420, 49507), (434, 47910), (465, 44716), (620, 33537), (651, 31940), (868, 23955), (930, 22358), (1085, 19164), (1302, 15970), (1597, 13020), (1860, 11179), (2170, 9582), (2604, 7985), (3194, 6510), (3255, 6388), (4340, 4791)]