20123847512958

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{677}}^1\times {\mathrm{4507891}}^1$

素因数の和:4508737

約数の個数: 64

約数和(自身を含む): 46358728570368

約数和(自身を除く): 26234881057410

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 157, 314, 471, 677, 942, 1099, 1354, 2031, 2198, 3297, 4062, 4739, 6594, 9478, 14217, 28434, 106289, 212578, 318867, 637734, 744023, 1488046, 2232069, 4464138, 4507891, 9015782, 13523673, 27047346, 31555237, 63110474, 94665711, 189331422, 707738887, 1415477774, 2123216661, 3051842207, 4246433322, 4954172209, 6103684414, 9155526621, 9908344418, 14862516627, 18311053242, 21362895449, 29725033254, 42725790898, 64088686347, 128177372694, 479139226499, 958278452998, 1437417679497, 2874835358994, 3353974585493, 6707949170986, 10061923756479, 20123847512958]

約数ペア:

[(1, 20123847512958), (2, 10061923756479), (3, 6707949170986), (6, 3353974585493), (7, 2874835358994), (14, 1437417679497), (21, 958278452998), (42, 479139226499), (157, 128177372694), (314, 64088686347), (471, 42725790898), (677, 29725033254), (942, 21362895449), (1099, 18311053242), (1354, 14862516627), (2031, 9908344418), (2198, 9155526621), (3297, 6103684414), (4062, 4954172209), (4739, 4246433322), (6594, 3051842207), (9478, 2123216661), (14217, 1415477774), (28434, 707738887), (106289, 189331422), (212578, 94665711), (318867, 63110474), (637734, 31555237), (744023, 27047346), (1488046, 13523673), (2232069, 9015782), (4464138, 4507891)]