20199756367

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{97}}^1\times {\mathrm{251}}^1$

素因数の和:512

約数の個数: 64

約数和(自身を含む): 24988400640

約数和(自身を除く): 4788644273

約数列:

[1, 7, 29, 61, 67, 97, 203, 251, 427, 469, 679, 1757, 1769, 1943, 2813, 4087, 5917, 6499, 7279, 12383, 13601, 15311, 16817, 19691, 24347, 28609, 41419, 45493, 50953, 107177, 117719, 118523, 170429, 171593, 188471, 396439, 444019, 487693, 706063, 829661, 1025837, 1201151, 1319297, 1485167, 1631249, 2775073, 3108133, 3413851, 4942441, 7180859, 10396169, 11418743, 11496731, 29749273, 43069843, 47306221, 80477117, 99506189, 208244911, 301488901, 331143547, 696543323, 2885679481, 20199756367]

約数ペア:

[(1, 20199756367), (7, 2885679481), (29, 696543323), (61, 331143547), (67, 301488901), (97, 208244911), (203, 99506189), (251, 80477117), (427, 47306221), (469, 43069843), (679, 29749273), (1757, 11496731), (1769, 11418743), (1943, 10396169), (2813, 7180859), (4087, 4942441), (5917, 3413851), (6499, 3108133), (7279, 2775073), (12383, 1631249), (13601, 1485167), (15311, 1319297), (16817, 1201151), (19691, 1025837), (24347, 829661), (28609, 706063), (41419, 487693), (45493, 444019), (50953, 396439), (107177, 188471), (117719, 171593), (118523, 170429)]