20299366984

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{52147}}^1$

素因数の和:52382

約数の個数: 64

約数和(自身を含む): 43366276800

約数和(自身を除く): 23066909816

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 197, 247, 394, 494, 788, 988, 1576, 1976, 2561, 3743, 5122, 7486, 10244, 14972, 20488, 29944, 48659, 52147, 97318, 104294, 194636, 208588, 389272, 417176, 677911, 990793, 1355822, 1981586, 2711644, 3963172, 5423288, 7926344, 10272959, 12880309, 20545918, 25760618, 41091836, 51521236, 82183672, 103042472, 133548467, 195186221, 267096934, 390372442, 534193868, 780744884, 1068387736, 1561489768, 2537420873, 5074841746, 10149683492, 20299366984]

約数ペア:

[(1, 20299366984), (2, 10149683492), (4, 5074841746), (8, 2537420873), (13, 1561489768), (19, 1068387736), (26, 780744884), (38, 534193868), (52, 390372442), (76, 267096934), (104, 195186221), (152, 133548467), (197, 103042472), (247, 82183672), (394, 51521236), (494, 41091836), (788, 25760618), (988, 20545918), (1576, 12880309), (1976, 10272959), (2561, 7926344), (3743, 5423288), (5122, 3963172), (7486, 2711644), (10244, 1981586), (14972, 1355822), (20488, 990793), (29944, 677911), (48659, 417176), (52147, 389272), (97318, 208588), (104294, 194636)]