20174578476

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{211}}^1\times {\mathrm{47147}}^1$

素因数の和:47391

約数の個数: 72

約数和(自身を含む): 51216306624

約数和(自身を除く): 31041728148

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 169, 211, 338, 422, 507, 633, 676, 844, 1014, 1266, 2028, 2532, 2743, 5486, 8229, 10972, 16458, 32916, 35659, 47147, 71318, 94294, 106977, 141441, 142636, 188588, 213954, 282882, 427908, 565764, 612911, 1225822, 1838733, 2451644, 3677466, 7354932, 7967843, 9948017, 15935686, 19896034, 23903529, 29844051, 31871372, 39792068, 47807058, 59688102, 95614116, 119376204, 129324221, 258648442, 387972663, 517296884, 775945326, 1551890652, 1681214873, 3362429746, 5043644619, 6724859492, 10087289238, 20174578476]

約数ペア:

[(1, 20174578476), (2, 10087289238), (3, 6724859492), (4, 5043644619), (6, 3362429746), (12, 1681214873), (13, 1551890652), (26, 775945326), (39, 517296884), (52, 387972663), (78, 258648442), (156, 129324221), (169, 119376204), (211, 95614116), (338, 59688102), (422, 47807058), (507, 39792068), (633, 31871372), (676, 29844051), (844, 23903529), (1014, 19896034), (1266, 15935686), (2028, 9948017), (2532, 7967843), (2743, 7354932), (5486, 3677466), (8229, 2451644), (10972, 1838733), (16458, 1225822), (32916, 612911), (35659, 565764), (47147, 427908), (71318, 282882), (94294, 213954), (106977, 188588), (141441, 142636)]