20406330

素因数分解:

$2^1\times 3^4\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1$

素因数の和:146

約数の個数: 160

約数和(自身を含む): 64817280

約数和(自身を除く): 44410950

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 59, 61, 63, 70, 81, 90, 105, 118, 122, 126, 135, 162, 177, 183, 189, 210, 270, 295, 305, 315, 354, 366, 378, 405, 413, 427, 531, 549, 567, 590, 610, 630, 810, 826, 854, 885, 915, 945, 1062, 1098, 1134, 1239, 1281, 1593, 1647, 1770, 1830, 1890, 2065, 2135, 2478, 2562, 2655, 2745, 2835, 3186, 3294, 3599, 3717, 3843, 4130, 4270, 4779, 4941, 5310, 5490, 5670, 6195, 6405, 7198, 7434, 7686, 7965, 8235, 9558, 9882, 10797, 11151, 11529, 12390, 12810, 15930, 16470, 17995, 18585, 19215, 21594, 22302, 23058, 23895, 24705, 25193, 32391, 33453, 34587, 35990, 37170, 38430, 47790, 49410, 50386, 53985, 55755, 57645, 64782, 66906, 69174, 75579, 97173, 107970, 111510, 115290, 125965, 151158, 161955, 167265, 172935, 194346, 226737, 251930, 291519, 323910, 334530, 345870, 377895, 453474, 485865, 583038, 680211, 755790, 971730, 1133685, 1360422, 1457595, 2040633, 2267370, 2915190, 3401055, 4081266, 6802110, 10203165, 20406330]

約数ペア:

[(1, 20406330), (2, 10203165), (3, 6802110), (5, 4081266), (6, 3401055), (7, 2915190), (9, 2267370), (10, 2040633), (14, 1457595), (15, 1360422), (18, 1133685), (21, 971730), (27, 755790), (30, 680211), (35, 583038), (42, 485865), (45, 453474), (54, 377895), (59, 345870), (61, 334530), (63, 323910), (70, 291519), (81, 251930), (90, 226737), (105, 194346), (118, 172935), (122, 167265), (126, 161955), (135, 151158), (162, 125965), (177, 115290), (183, 111510), (189, 107970), (210, 97173), (270, 75579), (295, 69174), (305, 66906), (315, 64782), (354, 57645), (366, 55755), (378, 53985), (405, 50386), (413, 49410), (427, 47790), (531, 38430), (549, 37170), (567, 35990), (590, 34587), (610, 33453), (630, 32391), (810, 25193), (826, 24705), (854, 23895), (885, 23058), (915, 22302), (945, 21594), (1062, 19215), (1098, 18585), (1134, 17995), (1239, 16470), (1281, 15930), (1593, 12810), (1647, 12390), (1770, 11529), (1830, 11151), (1890, 10797), (2065, 9882), (2135, 9558), (2478, 8235), (2562, 7965), (2655, 7686), (2745, 7434), (2835, 7198), (3186, 6405), (3294, 6195), (3599, 5670), (3717, 5490), (3843, 5310), (4130, 4941), (4270, 4779)]