20755492077460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{103}}^1\times {\mathrm{2720897}}^1$

素因数の和:2721062

約数の個数: 144

約数和(自身を含む): 52578720020736

約数和(自身を除く): 31823227943276

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 103, 115, 140, 161, 206, 230, 322, 412, 460, 515, 529, 644, 721, 805, 1030, 1058, 1442, 1610, 2060, 2116, 2369, 2645, 2884, 3220, 3605, 3703, 4738, 5290, 7210, 7406, 9476, 10580, 11845, 14420, 14812, 16583, 18515, 23690, 33166, 37030, 47380, 54487, 66332, 74060, 82915, 108974, 165830, 217948, 272435, 331660, 381409, 544870, 762818, 1089740, 1525636, 1907045, 2720897, 3814090, 5441794, 7628180, 10883588, 13604485, 19046279, 27208970, 38092558, 54417940, 62580631, 76185116, 95231395, 125161262, 190462790, 250322524, 280252391, 312903155, 380925580, 438064417, 560504782, 625806310, 876128834, 1121009564, 1251612620, 1401261955, 1439354513, 1752257668, 1961766737, 2190322085, 2802523910, 2878709026, 3923533474, 4380644170, 5605047820, 5757418052, 6445804993, 7196772565, 7847066948, 8761288340, 9808833685, 10075481591, 12891609986, 14393545130, 19617667370, 20150963182, 25783219972, 28787090260, 32229024965, 39235334740, 40301926364, 45120634951, 50377407955, 64458049930, 90241269902, 100754815910, 128916099860, 148253514839, 180482539804, 201509631820, 225603174755, 296507029678, 451206349510, 593014059356, 741267574195, 902412699020, 1037774603873, 1482535148390, 2075549207746, 2965070296780, 4151098415492, 5188873019365, 10377746038730, 20755492077460]

約数ペア:

[(1, 20755492077460), (2, 10377746038730), (4, 5188873019365), (5, 4151098415492), (7, 2965070296780), (10, 2075549207746), (14, 1482535148390), (20, 1037774603873), (23, 902412699020), (28, 741267574195), (35, 593014059356), (46, 451206349510), (70, 296507029678), (92, 225603174755), (103, 201509631820), (115, 180482539804), (140, 148253514839), (161, 128916099860), (206, 100754815910), (230, 90241269902), (322, 64458049930), (412, 50377407955), (460, 45120634951), (515, 40301926364), (529, 39235334740), (644, 32229024965), (721, 28787090260), (805, 25783219972), (1030, 20150963182), (1058, 19617667370), (1442, 14393545130), (1610, 12891609986), (2060, 10075481591), (2116, 9808833685), (2369, 8761288340), (2645, 7847066948), (2884, 7196772565), (3220, 6445804993), (3605, 5757418052), (3703, 5605047820), (4738, 4380644170), (5290, 3923533474), (7210, 2878709026), (7406, 2802523910), (9476, 2190322085), (10580, 1961766737), (11845, 1752257668), (14420, 1439354513), (14812, 1401261955), (16583, 1251612620), (18515, 1121009564), (23690, 876128834), (33166, 625806310), (37030, 560504782), (47380, 438064417), (54487, 380925580), (66332, 312903155), (74060, 280252391), (82915, 250322524), (108974, 190462790), (165830, 125161262), (217948, 95231395), (272435, 76185116), (331660, 62580631), (381409, 54417940), (544870, 38092558), (762818, 27208970), (1089740, 19046279), (1525636, 13604485), (1907045, 10883588), (2720897, 7628180), (3814090, 5441794)]