20123341784

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2273}}^1\times {\mathrm{12161}}^1$

素因数の和:14460

約数の個数: 64

約数和(自身を含む): 46462731840

約数和(自身を除く): 26339390056

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 2273, 4546, 9092, 12161, 15911, 18184, 24322, 29549, 31822, 48644, 59098, 63644, 85127, 97288, 118196, 127288, 158093, 170254, 206843, 236392, 316186, 340508, 413686, 632372, 681016, 827372, 1106651, 1264744, 1654744, 2213302, 4426604, 8853208, 27641953, 55283906, 110567812, 193493671, 221135624, 359345389, 386987342, 718690778, 773974684, 1437381556, 1547949368, 2515417723, 2874763112, 5030835446, 10061670892, 20123341784]

約数ペア:

[(1, 20123341784), (2, 10061670892), (4, 5030835446), (7, 2874763112), (8, 2515417723), (13, 1547949368), (14, 1437381556), (26, 773974684), (28, 718690778), (52, 386987342), (56, 359345389), (91, 221135624), (104, 193493671), (182, 110567812), (364, 55283906), (728, 27641953), (2273, 8853208), (4546, 4426604), (9092, 2213302), (12161, 1654744), (15911, 1264744), (18184, 1106651), (24322, 827372), (29549, 681016), (31822, 632372), (48644, 413686), (59098, 340508), (63644, 316186), (85127, 236392), (97288, 206843), (118196, 170254), (127288, 158093)]