20363220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1$

素因数の和:174

約数の個数: 144

約数和(自身を含む): 66044160

約数和(自身を除く): 45680940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 47, 58, 60, 83, 87, 90, 94, 116, 141, 145, 166, 174, 180, 188, 235, 249, 261, 282, 290, 332, 348, 415, 423, 435, 470, 498, 522, 564, 580, 705, 747, 830, 846, 870, 940, 996, 1044, 1245, 1305, 1363, 1410, 1494, 1660, 1692, 1740, 2115, 2407, 2490, 2610, 2726, 2820, 2988, 3735, 3901, 4089, 4230, 4814, 4980, 5220, 5452, 6815, 7221, 7470, 7802, 8178, 8460, 9628, 11703, 12035, 12267, 13630, 14442, 14940, 15604, 16356, 19505, 20445, 21663, 23406, 24070, 24534, 27260, 28884, 35109, 36105, 39010, 40890, 43326, 46812, 48140, 49068, 58515, 61335, 70218, 72210, 78020, 81780, 86652, 108315, 113129, 117030, 122670, 140436, 144420, 175545, 216630, 226258, 234060, 245340, 339387, 351090, 433260, 452516, 565645, 678774, 702180, 1018161, 1131290, 1357548, 1696935, 2036322, 2262580, 3393870, 4072644, 5090805, 6787740, 10181610, 20363220]

約数ペア:

[(1, 20363220), (2, 10181610), (3, 6787740), (4, 5090805), (5, 4072644), (6, 3393870), (9, 2262580), (10, 2036322), (12, 1696935), (15, 1357548), (18, 1131290), (20, 1018161), (29, 702180), (30, 678774), (36, 565645), (45, 452516), (47, 433260), (58, 351090), (60, 339387), (83, 245340), (87, 234060), (90, 226258), (94, 216630), (116, 175545), (141, 144420), (145, 140436), (166, 122670), (174, 117030), (180, 113129), (188, 108315), (235, 86652), (249, 81780), (261, 78020), (282, 72210), (290, 70218), (332, 61335), (348, 58515), (415, 49068), (423, 48140), (435, 46812), (470, 43326), (498, 40890), (522, 39010), (564, 36105), (580, 35109), (705, 28884), (747, 27260), (830, 24534), (846, 24070), (870, 23406), (940, 21663), (996, 20445), (1044, 19505), (1245, 16356), (1305, 15604), (1363, 14940), (1410, 14442), (1494, 13630), (1660, 12267), (1692, 12035), (1740, 11703), (2115, 9628), (2407, 8460), (2490, 8178), (2610, 7802), (2726, 7470), (2820, 7221), (2988, 6815), (3735, 5452), (3901, 5220), (4089, 4980), (4230, 4814)]