20107384921

素因数分解:

${\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1\times {\mathrm{619}}^1$

素因数の和:866

約数の個数: 48

約数和(自身を含む): 23298330240

約数和(自身を除く): 3190945319

約数列:

[1, 13, 23, 61, 137, 169, 299, 619, 793, 1403, 1781, 3151, 3887, 8047, 8357, 10309, 14237, 18239, 23153, 37759, 40963, 84803, 104611, 108641, 185081, 192211, 237107, 490867, 532519, 868457, 1102439, 1412333, 1950469, 2406053, 2498743, 5172983, 6381271, 11289941, 14331707, 25356097, 32483659, 67248779, 118978609, 146769233, 329629261, 874234127, 1546721917, 20107384921]

約数ペア:

[(1, 20107384921), (13, 1546721917), (23, 874234127), (61, 329629261), (137, 146769233), (169, 118978609), (299, 67248779), (619, 32483659), (793, 25356097), (1403, 14331707), (1781, 11289941), (3151, 6381271), (3887, 5172983), (8047, 2498743), (8357, 2406053), (10309, 1950469), (14237, 1412333), (18239, 1102439), (23153, 868457), (37759, 532519), (40963, 490867), (84803, 237107), (104611, 192211), (108641, 185081)]