20922390

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1$

素因数の和:214

約数の個数: 96

約数和(自身を含む): 57335616

約数和(自身を除く): 36413226

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 37, 45, 61, 74, 90, 103, 111, 122, 183, 185, 206, 222, 305, 309, 333, 366, 370, 515, 549, 555, 610, 618, 666, 915, 927, 1030, 1098, 1110, 1545, 1665, 1830, 1854, 2257, 2745, 3090, 3330, 3811, 4514, 4635, 5490, 6283, 6771, 7622, 9270, 11285, 11433, 12566, 13542, 18849, 19055, 20313, 22570, 22866, 31415, 33855, 34299, 37698, 38110, 40626, 56547, 57165, 62830, 67710, 68598, 94245, 101565, 113094, 114330, 171495, 188490, 203130, 232471, 282735, 342990, 464942, 565470, 697413, 1162355, 1394826, 2092239, 2324710, 3487065, 4184478, 6974130, 10461195, 20922390]

約数ペア:

[(1, 20922390), (2, 10461195), (3, 6974130), (5, 4184478), (6, 3487065), (9, 2324710), (10, 2092239), (15, 1394826), (18, 1162355), (30, 697413), (37, 565470), (45, 464942), (61, 342990), (74, 282735), (90, 232471), (103, 203130), (111, 188490), (122, 171495), (183, 114330), (185, 113094), (206, 101565), (222, 94245), (305, 68598), (309, 67710), (333, 62830), (366, 57165), (370, 56547), (515, 40626), (549, 38110), (555, 37698), (610, 34299), (618, 33855), (666, 31415), (915, 22866), (927, 22570), (1030, 20313), (1098, 19055), (1110, 18849), (1545, 13542), (1665, 12566), (1830, 11433), (1854, 11285), (2257, 9270), (2745, 7622), (3090, 6771), (3330, 6283), (3811, 5490), (4514, 4635)]