20072552945

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{137}}^1\times {\mathrm{193}}^1$

素因数の和:546

約数の個数: 64

約数和(自身を含む): 26292245760

約数和(自身を除く): 6219692815

約数列:

[1, 5, 19, 61, 95, 131, 137, 193, 305, 655, 685, 965, 1159, 2489, 2603, 3667, 5795, 7991, 8357, 11773, 12445, 13015, 17947, 18335, 25283, 26441, 39955, 41785, 58865, 89735, 126415, 132205, 151829, 158783, 223687, 340993, 480377, 502379, 759145, 793915, 1094767, 1118435, 1542263, 1612901, 1704965, 2401885, 2511895, 3463771, 5473835, 7711315, 8064505, 17318855, 20800573, 29302997, 30645119, 65811649, 104002865, 146514985, 153225595, 211290031, 329058245, 1056450155, 4014510589, 20072552945]

約数ペア:

[(1, 20072552945), (5, 4014510589), (19, 1056450155), (61, 329058245), (95, 211290031), (131, 153225595), (137, 146514985), (193, 104002865), (305, 65811649), (655, 30645119), (685, 29302997), (965, 20800573), (1159, 17318855), (2489, 8064505), (2603, 7711315), (3667, 5473835), (5795, 3463771), (7991, 2511895), (8357, 2401885), (11773, 1704965), (12445, 1612901), (13015, 1542263), (17947, 1118435), (18335, 1094767), (25283, 793915), (26441, 759145), (39955, 502379), (41785, 480377), (58865, 340993), (89735, 223687), (126415, 158783), (132205, 151829)]