2020101132

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^2\times {\mathrm{281}}^1$

素因数の和:440

約数の個数: 144

約数和(自身を含む): 5735149056

約数和(自身を除く): 3715047924

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 23, 28, 42, 46, 61, 69, 84, 92, 122, 138, 161, 183, 244, 276, 281, 322, 366, 427, 483, 562, 644, 732, 843, 854, 966, 1124, 1281, 1403, 1686, 1708, 1932, 1967, 2562, 2806, 3372, 3721, 3934, 4209, 5124, 5612, 5901, 6463, 7442, 7868, 8418, 9821, 11163, 11802, 12926, 14884, 16836, 17141, 19389, 19642, 22326, 23604, 25852, 26047, 29463, 34282, 38778, 39284, 44652, 45241, 51423, 52094, 58926, 68564, 77556, 78141, 85583, 90482, 102846, 104188, 117852, 119987, 135723, 156282, 171166, 180964, 205692, 239974, 256749, 271446, 312564, 342332, 359961, 394243, 479948, 513498, 542892, 599081, 719922, 788486, 1026996, 1045601, 1182729, 1198162, 1439844, 1576972, 1797243, 2091202, 2365458, 2396324, 2759701, 3136803, 3594486, 4182404, 4730916, 5519402, 6273606, 7188972, 7319207, 8279103, 11038804, 12547212, 14638414, 16558206, 21957621, 24048823, 29276828, 33116412, 43915242, 48097646, 72146469, 87830484, 96195292, 144292938, 168341761, 288585876, 336683522, 505025283, 673367044, 1010050566, 2020101132]

約数ペア:

[(1, 2020101132), (2, 1010050566), (3, 673367044), (4, 505025283), (6, 336683522), (7, 288585876), (12, 168341761), (14, 144292938), (21, 96195292), (23, 87830484), (28, 72146469), (42, 48097646), (46, 43915242), (61, 33116412), (69, 29276828), (84, 24048823), (92, 21957621), (122, 16558206), (138, 14638414), (161, 12547212), (183, 11038804), (244, 8279103), (276, 7319207), (281, 7188972), (322, 6273606), (366, 5519402), (427, 4730916), (483, 4182404), (562, 3594486), (644, 3136803), (732, 2759701), (843, 2396324), (854, 2365458), (966, 2091202), (1124, 1797243), (1281, 1576972), (1403, 1439844), (1686, 1198162), (1708, 1182729), (1932, 1045601), (1967, 1026996), (2562, 788486), (2806, 719922), (3372, 599081), (3721, 542892), (3934, 513498), (4209, 479948), (5124, 394243), (5612, 359961), (5901, 342332), (6463, 312564), (7442, 271446), (7868, 256749), (8418, 239974), (9821, 205692), (11163, 180964), (11802, 171166), (12926, 156282), (14884, 135723), (16836, 119987), (17141, 117852), (19389, 104188), (19642, 102846), (22326, 90482), (23604, 85583), (25852, 78141), (26047, 77556), (29463, 68564), (34282, 58926), (38778, 52094), (39284, 51423), (44652, 45241)]