20503584

素因数分解:

$2^5\times 3^3\times {\mathrm{19}}^1\times {\mathrm{1249}}^1$

素因数の和:1287

約数の個数: 96

約数和(自身を含む): 63000000

約数和(自身を除く): 42496416

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 27, 32, 36, 38, 48, 54, 57, 72, 76, 96, 108, 114, 144, 152, 171, 216, 228, 288, 304, 342, 432, 456, 513, 608, 684, 864, 912, 1026, 1249, 1368, 1824, 2052, 2498, 2736, 3747, 4104, 4996, 5472, 7494, 8208, 9992, 11241, 14988, 16416, 19984, 22482, 23731, 29976, 33723, 39968, 44964, 47462, 59952, 67446, 71193, 89928, 94924, 119904, 134892, 142386, 179856, 189848, 213579, 269784, 284772, 359712, 379696, 427158, 539568, 569544, 640737, 759392, 854316, 1079136, 1139088, 1281474, 1708632, 2278176, 2562948, 3417264, 5125896, 6834528, 10251792, 20503584]

約数ペア:

[(1, 20503584), (2, 10251792), (3, 6834528), (4, 5125896), (6, 3417264), (8, 2562948), (9, 2278176), (12, 1708632), (16, 1281474), (18, 1139088), (19, 1079136), (24, 854316), (27, 759392), (32, 640737), (36, 569544), (38, 539568), (48, 427158), (54, 379696), (57, 359712), (72, 284772), (76, 269784), (96, 213579), (108, 189848), (114, 179856), (144, 142386), (152, 134892), (171, 119904), (216, 94924), (228, 89928), (288, 71193), (304, 67446), (342, 59952), (432, 47462), (456, 44964), (513, 39968), (608, 33723), (684, 29976), (864, 23731), (912, 22482), (1026, 19984), (1249, 16416), (1368, 14988), (1824, 11241), (2052, 9992), (2498, 8208), (2736, 7494), (3747, 5472), (4104, 4996)]