20123497708

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{173}}^1\times {\mathrm{373}}^1\times {\mathrm{1471}}^1$

素因数の和:2074

約数の個数: 48

約数和(自身を含む): 36209327616

約数和(自身を除く): 16085829908

約数列:

[1, 2, 4, 53, 106, 173, 212, 346, 373, 692, 746, 1471, 1492, 2942, 5884, 9169, 18338, 19769, 36676, 39538, 64529, 77963, 79076, 129058, 155926, 254483, 258116, 311852, 508966, 548683, 1017932, 1097366, 2194732, 3420037, 6840074, 13487599, 13680148, 26975198, 29080199, 53950396, 58160398, 94922159, 116320796, 189844318, 379688636, 5030874427, 10061748854, 20123497708]

約数ペア:

[(1, 20123497708), (2, 10061748854), (4, 5030874427), (53, 379688636), (106, 189844318), (173, 116320796), (212, 94922159), (346, 58160398), (373, 53950396), (692, 29080199), (746, 26975198), (1471, 13680148), (1492, 13487599), (2942, 6840074), (5884, 3420037), (9169, 2194732), (18338, 1097366), (19769, 1017932), (36676, 548683), (39538, 508966), (64529, 311852), (77963, 258116), (79076, 254483), (129058, 155926)]