20100841735

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{389}}^1\times {\mathrm{463}}^1$

素因数の和:988

約数の個数: 64

約数和(自身を含む): 27908375040

約数和(自身を除く): 7807533305

約数列:

[1, 5, 13, 17, 65, 85, 101, 221, 389, 463, 505, 1105, 1313, 1717, 1945, 2315, 5057, 6019, 6565, 6613, 7871, 8585, 22321, 25285, 30095, 33065, 39289, 39355, 46763, 85969, 102323, 111605, 180107, 196445, 233815, 429845, 510757, 511615, 607919, 667913, 794971, 900535, 2341391, 2553785, 3039595, 3061819, 3339565, 3974855, 8682869, 10334623, 11706955, 15309095, 18190807, 39803647, 43414345, 51673115, 90954035, 199018235, 236480491, 309243719, 1182402455, 1546218595, 4020168347, 20100841735]

約数ペア:

[(1, 20100841735), (5, 4020168347), (13, 1546218595), (17, 1182402455), (65, 309243719), (85, 236480491), (101, 199018235), (221, 90954035), (389, 51673115), (463, 43414345), (505, 39803647), (1105, 18190807), (1313, 15309095), (1717, 11706955), (1945, 10334623), (2315, 8682869), (5057, 3974855), (6019, 3339565), (6565, 3061819), (6613, 3039595), (7871, 2553785), (8585, 2341391), (22321, 900535), (25285, 794971), (30095, 667913), (33065, 607919), (39289, 511615), (39355, 510757), (46763, 429845), (85969, 233815), (102323, 196445), (111605, 180107)]