20127426172

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^2\times {\mathrm{197}}^1\times {\mathrm{3797}}^1$

素因数の和:4067

約数の個数: 72

約数和(自身を含む): 41817438432

約数和(自身を除く): 21690012260

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 197, 217, 394, 434, 788, 868, 961, 1379, 1922, 2758, 3797, 3844, 5516, 6107, 6727, 7594, 12214, 13454, 15188, 24428, 26579, 26908, 42749, 53158, 85498, 106316, 117707, 170996, 189317, 235414, 378634, 470828, 748009, 757268, 823949, 1325219, 1496018, 1647898, 2650438, 2992036, 3295796, 3648917, 5236063, 5300876, 7297834, 10472126, 14595668, 20944252, 23188279, 25542419, 46376558, 51084838, 92753116, 102169676, 162317953, 324635906, 649271812, 718836649, 1437673298, 2875346596, 5031856543, 10063713086, 20127426172]

約数ペア:

[(1, 20127426172), (2, 10063713086), (4, 5031856543), (7, 2875346596), (14, 1437673298), (28, 718836649), (31, 649271812), (62, 324635906), (124, 162317953), (197, 102169676), (217, 92753116), (394, 51084838), (434, 46376558), (788, 25542419), (868, 23188279), (961, 20944252), (1379, 14595668), (1922, 10472126), (2758, 7297834), (3797, 5300876), (3844, 5236063), (5516, 3648917), (6107, 3295796), (6727, 2992036), (7594, 2650438), (12214, 1647898), (13454, 1496018), (15188, 1325219), (24428, 823949), (26579, 757268), (26908, 748009), (42749, 470828), (53158, 378634), (85498, 235414), (106316, 189317), (117707, 170996)]