20195576154

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{323243}}^1$

素因数の和:323356

約数の個数: 64

約数和(自身を含む): 48874492800

約数和(自身を除く): 28678916646

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 89, 117, 178, 234, 267, 351, 534, 702, 801, 1157, 1602, 2314, 2403, 3471, 4806, 6942, 10413, 20826, 31239, 62478, 323243, 646486, 969729, 1939458, 2909187, 4202159, 5818374, 8404318, 8727561, 12606477, 17455122, 25212954, 28768627, 37819431, 57537254, 75638862, 86305881, 113458293, 172611762, 226916586, 258917643, 373992151, 517835286, 747984302, 776752929, 1121976453, 1553505858, 2243952906, 3365929359, 6731858718, 10097788077, 20195576154]

約数ペア:

[(1, 20195576154), (2, 10097788077), (3, 6731858718), (6, 3365929359), (9, 2243952906), (13, 1553505858), (18, 1121976453), (26, 776752929), (27, 747984302), (39, 517835286), (54, 373992151), (78, 258917643), (89, 226916586), (117, 172611762), (178, 113458293), (234, 86305881), (267, 75638862), (351, 57537254), (534, 37819431), (702, 28768627), (801, 25212954), (1157, 17455122), (1602, 12606477), (2314, 8727561), (2403, 8404318), (3471, 5818374), (4806, 4202159), (6942, 2909187), (10413, 1939458), (20826, 969729), (31239, 646486), (62478, 323243)]