20349456

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{421}}^1$

素因数の和:504

約数の個数: 80

約数和(自身を含む): 56514240

約数和(自身を除く): 36164784

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 48, 53, 57, 76, 106, 114, 152, 159, 212, 228, 304, 318, 421, 424, 456, 636, 842, 848, 912, 1007, 1263, 1272, 1684, 2014, 2526, 2544, 3021, 3368, 4028, 5052, 6042, 6736, 7999, 8056, 10104, 12084, 15998, 16112, 20208, 22313, 23997, 24168, 31996, 44626, 47994, 48336, 63992, 66939, 89252, 95988, 127984, 133878, 178504, 191976, 267756, 357008, 383952, 423947, 535512, 847894, 1071024, 1271841, 1695788, 2543682, 3391576, 5087364, 6783152, 10174728, 20349456]

約数ペア:

[(1, 20349456), (2, 10174728), (3, 6783152), (4, 5087364), (6, 3391576), (8, 2543682), (12, 1695788), (16, 1271841), (19, 1071024), (24, 847894), (38, 535512), (48, 423947), (53, 383952), (57, 357008), (76, 267756), (106, 191976), (114, 178504), (152, 133878), (159, 127984), (212, 95988), (228, 89252), (304, 66939), (318, 63992), (421, 48336), (424, 47994), (456, 44626), (636, 31996), (842, 24168), (848, 23997), (912, 22313), (1007, 20208), (1263, 16112), (1272, 15998), (1684, 12084), (2014, 10104), (2526, 8056), (2544, 7999), (3021, 6736), (3368, 6042), (4028, 5052)]