20789944552

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{69677}}^1$

素因数の和:69866

約数の個数: 64

約数和(自身を含む): 44482435200

約数和(自身を除く): 23692490648

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 151, 152, 247, 302, 494, 604, 988, 1208, 1963, 1976, 2869, 3926, 5738, 7852, 11476, 15704, 22952, 37297, 69677, 74594, 139354, 149188, 278708, 298376, 557416, 905801, 1323863, 1811602, 2647726, 3623204, 5295452, 7246408, 10521227, 10590904, 17210219, 21042454, 34420438, 42084908, 68840876, 84169816, 136775951, 137681752, 199903313, 273551902, 399806626, 547103804, 799613252, 1094207608, 1599226504, 2598743069, 5197486138, 10394972276, 20789944552]

約数ペア:

[(1, 20789944552), (2, 10394972276), (4, 5197486138), (8, 2598743069), (13, 1599226504), (19, 1094207608), (26, 799613252), (38, 547103804), (52, 399806626), (76, 273551902), (104, 199903313), (151, 137681752), (152, 136775951), (247, 84169816), (302, 68840876), (494, 42084908), (604, 34420438), (988, 21042454), (1208, 17210219), (1963, 10590904), (1976, 10521227), (2869, 7246408), (3926, 5295452), (5738, 3623204), (7852, 2647726), (11476, 1811602), (15704, 1323863), (22952, 905801), (37297, 557416), (69677, 298376), (74594, 278708), (139354, 149188)]