20089860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1543}}^1$

素因数の和:1593

約数の個数: 96

約数和(自身を含む): 66404352

約数和(自身を除く): 46314492

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, 1543, 1860, 2170, 2604, 3086, 3255, 4340, 4629, 6172, 6510, 7715, 9258, 10801, 13020, 15430, 18516, 21602, 23145, 30860, 32403, 43204, 46290, 47833, 54005, 64806, 92580, 95666, 108010, 129612, 143499, 162015, 191332, 216020, 239165, 286998, 324030, 334831, 478330, 573996, 648060, 669662, 717495, 956660, 1004493, 1339324, 1434990, 1674155, 2008986, 2869980, 3348310, 4017972, 5022465, 6696620, 10044930, 20089860]

約数ペア:

[(1, 20089860), (2, 10044930), (3, 6696620), (4, 5022465), (5, 4017972), (6, 3348310), (7, 2869980), (10, 2008986), (12, 1674155), (14, 1434990), (15, 1339324), (20, 1004493), (21, 956660), (28, 717495), (30, 669662), (31, 648060), (35, 573996), (42, 478330), (60, 334831), (62, 324030), (70, 286998), (84, 239165), (93, 216020), (105, 191332), (124, 162015), (140, 143499), (155, 129612), (186, 108010), (210, 95666), (217, 92580), (310, 64806), (372, 54005), (420, 47833), (434, 46290), (465, 43204), (620, 32403), (651, 30860), (868, 23145), (930, 21602), (1085, 18516), (1302, 15430), (1543, 13020), (1860, 10801), (2170, 9258), (2604, 7715), (3086, 6510), (3255, 6172), (4340, 4629)]