20427535830

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{518597}}^1$

素因数の和:518721

約数の個数: 64

約数和(自身を含む): 53320171968

約数和(自身を除く): 32892636138

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 101, 130, 195, 202, 303, 390, 505, 606, 1010, 1313, 1515, 2626, 3030, 3939, 6565, 7878, 13130, 19695, 39390, 518597, 1037194, 1555791, 2592985, 3111582, 5185970, 6741761, 7778955, 13483522, 15557910, 20225283, 33708805, 40450566, 52378297, 67417610, 101126415, 104756594, 157134891, 202252830, 261891485, 314269782, 523782970, 680917861, 785674455, 1361835722, 1571348910, 2042753583, 3404589305, 4085507166, 6809178610, 10213767915, 20427535830]

約数ペア:

[(1, 20427535830), (2, 10213767915), (3, 6809178610), (5, 4085507166), (6, 3404589305), (10, 2042753583), (13, 1571348910), (15, 1361835722), (26, 785674455), (30, 680917861), (39, 523782970), (65, 314269782), (78, 261891485), (101, 202252830), (130, 157134891), (195, 104756594), (202, 101126415), (303, 67417610), (390, 52378297), (505, 40450566), (606, 33708805), (1010, 20225283), (1313, 15557910), (1515, 13483522), (2626, 7778955), (3030, 6741761), (3939, 5185970), (6565, 3111582), (7878, 2592985), (13130, 1555791), (19695, 1037194), (39390, 518597)]