20155563376

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{283}}^1\times {\mathrm{7963}}^1$

素因数の和:8310

約数の個数: 80

約数和(自身を含む): 43190874496

約数和(自身を除く): 23035311120

約数列:

[1, 2, 4, 8, 13, 16, 26, 43, 52, 86, 104, 172, 208, 283, 344, 559, 566, 688, 1118, 1132, 2236, 2264, 3679, 4472, 4528, 7358, 7963, 8944, 12169, 14716, 15926, 24338, 29432, 31852, 48676, 58864, 63704, 97352, 103519, 127408, 158197, 194704, 207038, 316394, 342409, 414076, 632788, 684818, 828152, 1265576, 1369636, 1656304, 2253529, 2531152, 2739272, 4451317, 4507058, 5478544, 8902634, 9014116, 17805268, 18028232, 29295877, 35610536, 36056464, 58591754, 71221072, 96901747, 117183508, 193803494, 234367016, 387606988, 468734032, 775213976, 1259722711, 1550427952, 2519445422, 5038890844, 10077781688, 20155563376]

約数ペア:

[(1, 20155563376), (2, 10077781688), (4, 5038890844), (8, 2519445422), (13, 1550427952), (16, 1259722711), (26, 775213976), (43, 468734032), (52, 387606988), (86, 234367016), (104, 193803494), (172, 117183508), (208, 96901747), (283, 71221072), (344, 58591754), (559, 36056464), (566, 35610536), (688, 29295877), (1118, 18028232), (1132, 17805268), (2236, 9014116), (2264, 8902634), (3679, 5478544), (4472, 4507058), (4528, 4451317), (7358, 2739272), (7963, 2531152), (8944, 2253529), (12169, 1656304), (14716, 1369636), (15926, 1265576), (24338, 828152), (29432, 684818), (31852, 632788), (48676, 414076), (58864, 342409), (63704, 316394), (97352, 207038), (103519, 194704), (127408, 158197)]