20292532

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1$

素因数の和:125

約数の個数: 72

約数和(自身を含む): 43013376

約数和(自身を除く): 22720844

約数列:

[1, 2, 4, 13, 19, 23, 26, 38, 46, 47, 52, 76, 92, 94, 188, 247, 299, 361, 437, 494, 598, 611, 722, 874, 893, 988, 1081, 1196, 1222, 1444, 1748, 1786, 2162, 2444, 3572, 4324, 4693, 5681, 8303, 9386, 11362, 11609, 14053, 16606, 16967, 18772, 20539, 22724, 23218, 28106, 33212, 33934, 41078, 46436, 56212, 67868, 82156, 107939, 215878, 220571, 267007, 390241, 431756, 441142, 534014, 780482, 882284, 1068028, 1560964, 5073133, 10146266, 20292532]

約数ペア:

[(1, 20292532), (2, 10146266), (4, 5073133), (13, 1560964), (19, 1068028), (23, 882284), (26, 780482), (38, 534014), (46, 441142), (47, 431756), (52, 390241), (76, 267007), (92, 220571), (94, 215878), (188, 107939), (247, 82156), (299, 67868), (361, 56212), (437, 46436), (494, 41078), (598, 33934), (611, 33212), (722, 28106), (874, 23218), (893, 22724), (988, 20539), (1081, 18772), (1196, 16967), (1222, 16606), (1444, 14053), (1748, 11609), (1786, 11362), (2162, 9386), (2444, 8303), (3572, 5681), (4324, 4693)]