20161788868

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{179}}^1\times {\mathrm{2297}}^1$

素因数の和:2557

約数の個数: 96

約数和(自身を含む): 40861013760

約数和(自身を除く): 20699224892

約数列:

[1, 2, 4, 13, 23, 26, 41, 46, 52, 82, 92, 164, 179, 299, 358, 533, 598, 716, 943, 1066, 1196, 1886, 2132, 2297, 2327, 3772, 4117, 4594, 4654, 7339, 8234, 9188, 9308, 12259, 14678, 16468, 24518, 29356, 29861, 49036, 52831, 53521, 59722, 94177, 95407, 105662, 107042, 119444, 168797, 188354, 190814, 211324, 214084, 337594, 376708, 381628, 411163, 675188, 686803, 822326, 1224301, 1373606, 1644652, 2166071, 2194361, 2448602, 2747212, 4332142, 4388722, 4897204, 5345119, 8664284, 8777444, 9456749, 10690238, 16857683, 18913498, 21380476, 28158923, 33715366, 37826996, 56317846, 67430732, 112635692, 122937737, 219149879, 245875474, 387726709, 438299758, 491750948, 775453418, 876599516, 1550906836, 5040447217, 10080894434, 20161788868]

約数ペア:

[(1, 20161788868), (2, 10080894434), (4, 5040447217), (13, 1550906836), (23, 876599516), (26, 775453418), (41, 491750948), (46, 438299758), (52, 387726709), (82, 245875474), (92, 219149879), (164, 122937737), (179, 112635692), (299, 67430732), (358, 56317846), (533, 37826996), (598, 33715366), (716, 28158923), (943, 21380476), (1066, 18913498), (1196, 16857683), (1886, 10690238), (2132, 9456749), (2297, 8777444), (2327, 8664284), (3772, 5345119), (4117, 4897204), (4594, 4388722), (4654, 4332142), (7339, 2747212), (8234, 2448602), (9188, 2194361), (9308, 2166071), (12259, 1644652), (14678, 1373606), (16468, 1224301), (24518, 822326), (29356, 686803), (29861, 675188), (49036, 411163), (52831, 381628), (53521, 376708), (59722, 337594), (94177, 214084), (95407, 211324), (105662, 190814), (107042, 188354), (119444, 168797)]