20883132

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{241}}^1$

素因数の和:363

約数の個数: 72

約数和(自身を含む): 55495440

約数和(自身を除く): 34612308

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 83, 87, 116, 166, 174, 241, 249, 261, 332, 348, 482, 498, 522, 723, 747, 964, 996, 1044, 1446, 1494, 2169, 2407, 2892, 2988, 4338, 4814, 6989, 7221, 8676, 9628, 13978, 14442, 20003, 20967, 21663, 27956, 28884, 40006, 41934, 43326, 60009, 62901, 80012, 83868, 86652, 120018, 125802, 180027, 240036, 251604, 360054, 580087, 720108, 1160174, 1740261, 2320348, 3480522, 5220783, 6961044, 10441566, 20883132]

約数ペア:

[(1, 20883132), (2, 10441566), (3, 6961044), (4, 5220783), (6, 3480522), (9, 2320348), (12, 1740261), (18, 1160174), (29, 720108), (36, 580087), (58, 360054), (83, 251604), (87, 240036), (116, 180027), (166, 125802), (174, 120018), (241, 86652), (249, 83868), (261, 80012), (332, 62901), (348, 60009), (482, 43326), (498, 41934), (522, 40006), (723, 28884), (747, 27956), (964, 21663), (996, 20967), (1044, 20003), (1446, 14442), (1494, 13978), (2169, 9628), (2407, 8676), (2892, 7221), (2988, 6989), (4338, 4814)]