20199655598965

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{157}}^1\times {\mathrm{132113}}^1$

素因数の和:132470

約数の個数: 64

約数和(自身を含む): 25842360840192

約数和(自身を除く): 5642705241227

約数列:

[1, 5, 31, 61, 103, 155, 157, 305, 515, 785, 1891, 3193, 4867, 6283, 9455, 9577, 15965, 16171, 24335, 31415, 47885, 80855, 132113, 194773, 296887, 501301, 660565, 973865, 986431, 1484435, 2506505, 4095503, 4932155, 8058893, 13607639, 20477515, 20741741, 30579361, 40294465, 68038195, 103708705, 152896805, 249825683, 421836809, 642993971, 830065979, 1249128415, 1265246201, 2109184045, 2136399323, 3214969855, 4150329895, 6326231005, 10681996615, 25732045349, 39222632231, 66228379013, 128660226745, 130320358703, 196113161155, 331141895065, 651601793515, 4039931119793, 20199655598965]

約数ペア:

[(1, 20199655598965), (5, 4039931119793), (31, 651601793515), (61, 331141895065), (103, 196113161155), (155, 130320358703), (157, 128660226745), (305, 66228379013), (515, 39222632231), (785, 25732045349), (1891, 10681996615), (3193, 6326231005), (4867, 4150329895), (6283, 3214969855), (9455, 2136399323), (9577, 2109184045), (15965, 1265246201), (16171, 1249128415), (24335, 830065979), (31415, 642993971), (47885, 421836809), (80855, 249825683), (132113, 152896805), (194773, 103708705), (296887, 68038195), (501301, 40294465), (660565, 30579361), (973865, 20741741), (986431, 20477515), (1484435, 13607639), (2506505, 8058893), (4095503, 4932155)]