20174370268

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{67}}^1\times {\mathrm{383}}^1\times {\mathrm{1163}}^1$

素因数の和:1643

約数の個数: 72

約数和(自身を含む): 38935185408

約数和(自身を除く): 18760815140

約数列:

[1, 2, 4, 13, 26, 52, 67, 134, 169, 268, 338, 383, 676, 766, 871, 1163, 1532, 1742, 2326, 3484, 4652, 4979, 9958, 11323, 15119, 19916, 22646, 25661, 30238, 45292, 51322, 60476, 64727, 77921, 102644, 129454, 155842, 196547, 258908, 311684, 333593, 393094, 445429, 667186, 786188, 890858, 1012973, 1334372, 1781716, 2025946, 4051892, 4336709, 5790577, 8673418, 11581154, 13168649, 17346836, 23162308, 26337298, 29843743, 52674596, 59687486, 75277501, 119374972, 150555002, 301110004, 387968659, 775937318, 1551874636, 5043592567, 10087185134, 20174370268]

約数ペア:

[(1, 20174370268), (2, 10087185134), (4, 5043592567), (13, 1551874636), (26, 775937318), (52, 387968659), (67, 301110004), (134, 150555002), (169, 119374972), (268, 75277501), (338, 59687486), (383, 52674596), (676, 29843743), (766, 26337298), (871, 23162308), (1163, 17346836), (1532, 13168649), (1742, 11581154), (2326, 8673418), (3484, 5790577), (4652, 4336709), (4979, 4051892), (9958, 2025946), (11323, 1781716), (15119, 1334372), (19916, 1012973), (22646, 890858), (25661, 786188), (30238, 667186), (45292, 445429), (51322, 393094), (60476, 333593), (64727, 311684), (77921, 258908), (102644, 196547), (129454, 155842)]