20157631940

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{191}}^1\times {\mathrm{313}}^1\times {\mathrm{733}}^1$

素因数の和:1269

約数の個数: 96

約数和(自身を含む): 44605403136

約数和(自身を除く): 24447771196

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 191, 230, 313, 382, 460, 626, 733, 764, 955, 1252, 1466, 1565, 1910, 2932, 3130, 3665, 3820, 4393, 6260, 7199, 7330, 8786, 14398, 14660, 16859, 17572, 21965, 28796, 33718, 35995, 43930, 59783, 67436, 71990, 84295, 87860, 119566, 140003, 143980, 168590, 229429, 239132, 280006, 298915, 337180, 458858, 560012, 597830, 700015, 917716, 1147145, 1195660, 1375009, 1400030, 2294290, 2750018, 2800060, 3220069, 4588580, 5276867, 5500036, 6440138, 6875045, 10553734, 12880276, 13750090, 16100345, 21107468, 26384335, 27500180, 32200690, 43820939, 52768670, 64401380, 87641878, 105537340, 175283756, 219104695, 438209390, 876418780, 1007881597, 2015763194, 4031526388, 5039407985, 10078815970, 20157631940]

約数ペア:

[(1, 20157631940), (2, 10078815970), (4, 5039407985), (5, 4031526388), (10, 2015763194), (20, 1007881597), (23, 876418780), (46, 438209390), (92, 219104695), (115, 175283756), (191, 105537340), (230, 87641878), (313, 64401380), (382, 52768670), (460, 43820939), (626, 32200690), (733, 27500180), (764, 26384335), (955, 21107468), (1252, 16100345), (1466, 13750090), (1565, 12880276), (1910, 10553734), (2932, 6875045), (3130, 6440138), (3665, 5500036), (3820, 5276867), (4393, 4588580), (6260, 3220069), (7199, 2800060), (7330, 2750018), (8786, 2294290), (14398, 1400030), (14660, 1375009), (16859, 1195660), (17572, 1147145), (21965, 917716), (28796, 700015), (33718, 597830), (35995, 560012), (43930, 458858), (59783, 337180), (67436, 298915), (71990, 280006), (84295, 239132), (87860, 229429), (119566, 168590), (140003, 143980)]