20005933970

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{263}}^1\times {\mathrm{9473}}^1$

素因数の和:9827

約数の個数: 64

約数和(自身を含む): 39978157824

約数和(自身を除く): 19972223854

約数列:

[1, 2, 5, 10, 11, 22, 55, 73, 110, 146, 263, 365, 526, 730, 803, 1315, 1606, 2630, 2893, 4015, 5786, 8030, 9473, 14465, 18946, 19199, 28930, 38398, 47365, 94730, 95995, 104203, 191990, 208406, 211189, 422378, 521015, 691529, 1042030, 1055945, 1383058, 2111890, 2491399, 3457645, 4982798, 6915290, 7606819, 12456995, 15213638, 24913990, 27405389, 38034095, 54810778, 76068190, 137026945, 181872127, 274053890, 363744254, 909360635, 1818721270, 2000593397, 4001186794, 10002966985, 20005933970]

約数ペア:

[(1, 20005933970), (2, 10002966985), (5, 4001186794), (10, 2000593397), (11, 1818721270), (22, 909360635), (55, 363744254), (73, 274053890), (110, 181872127), (146, 137026945), (263, 76068190), (365, 54810778), (526, 38034095), (730, 27405389), (803, 24913990), (1315, 15213638), (1606, 12456995), (2630, 7606819), (2893, 6915290), (4015, 4982798), (5786, 3457645), (8030, 2491399), (9473, 2111890), (14465, 1383058), (18946, 1055945), (19199, 1042030), (28930, 691529), (38398, 521015), (47365, 422378), (94730, 211189), (95995, 208406), (104203, 191990)]