20446128

素因数分解:

$2^4\times 3^3\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:136

約数の個数: 160

約数和(自身を含む): 64281600

約数和(自身を除く): 43835472

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 27, 36, 38, 47, 48, 53, 54, 57, 72, 76, 94, 106, 108, 114, 141, 144, 152, 159, 171, 188, 212, 216, 228, 282, 304, 318, 342, 376, 423, 424, 432, 456, 477, 513, 564, 636, 684, 752, 846, 848, 893, 912, 954, 1007, 1026, 1128, 1269, 1272, 1368, 1431, 1692, 1786, 1908, 2014, 2052, 2256, 2491, 2538, 2544, 2679, 2736, 2862, 3021, 3384, 3572, 3816, 4028, 4104, 4982, 5076, 5358, 5724, 6042, 6768, 7144, 7473, 7632, 8037, 8056, 8208, 9063, 9964, 10152, 10716, 11448, 12084, 14288, 14946, 16074, 16112, 18126, 19928, 20304, 21432, 22419, 22896, 24111, 24168, 27189, 29892, 32148, 36252, 39856, 42864, 44838, 47329, 48222, 48336, 54378, 59784, 64296, 67257, 72504, 89676, 94658, 96444, 108756, 119568, 128592, 134514, 141987, 145008, 179352, 189316, 192888, 217512, 269028, 283974, 358704, 378632, 385776, 425961, 435024, 538056, 567948, 757264, 851922, 1076112, 1135896, 1277883, 1703844, 2271792, 2555766, 3407688, 5111532, 6815376, 10223064, 20446128]

約数ペア:

[(1, 20446128), (2, 10223064), (3, 6815376), (4, 5111532), (6, 3407688), (8, 2555766), (9, 2271792), (12, 1703844), (16, 1277883), (18, 1135896), (19, 1076112), (24, 851922), (27, 757264), (36, 567948), (38, 538056), (47, 435024), (48, 425961), (53, 385776), (54, 378632), (57, 358704), (72, 283974), (76, 269028), (94, 217512), (106, 192888), (108, 189316), (114, 179352), (141, 145008), (144, 141987), (152, 134514), (159, 128592), (171, 119568), (188, 108756), (212, 96444), (216, 94658), (228, 89676), (282, 72504), (304, 67257), (318, 64296), (342, 59784), (376, 54378), (423, 48336), (424, 48222), (432, 47329), (456, 44838), (477, 42864), (513, 39856), (564, 36252), (636, 32148), (684, 29892), (752, 27189), (846, 24168), (848, 24111), (893, 22896), (912, 22419), (954, 21432), (1007, 20304), (1026, 19928), (1128, 18126), (1269, 16112), (1272, 16074), (1368, 14946), (1431, 14288), (1692, 12084), (1786, 11448), (1908, 10716), (2014, 10152), (2052, 9964), (2256, 9063), (2491, 8208), (2538, 8056), (2544, 8037), (2679, 7632), (2736, 7473), (2862, 7144), (3021, 6768), (3384, 6042), (3572, 5724), (3816, 5358), (4028, 5076), (4104, 4982)]