20603106

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{467}}^1$

素因数の和:540

約数の個数: 64

約数和(自身を含む): 49420800

約数和(自身を除く): 28817694

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 43, 54, 57, 86, 114, 129, 171, 258, 342, 387, 467, 513, 774, 817, 934, 1026, 1161, 1401, 1634, 2322, 2451, 2802, 4203, 4902, 7353, 8406, 8873, 12609, 14706, 17746, 20081, 22059, 25218, 26619, 40162, 44118, 53238, 60243, 79857, 120486, 159714, 180729, 239571, 361458, 381539, 479142, 542187, 763078, 1084374, 1144617, 2289234, 3433851, 6867702, 10301553, 20603106]

約数ペア:

[(1, 20603106), (2, 10301553), (3, 6867702), (6, 3433851), (9, 2289234), (18, 1144617), (19, 1084374), (27, 763078), (38, 542187), (43, 479142), (54, 381539), (57, 361458), (86, 239571), (114, 180729), (129, 159714), (171, 120486), (258, 79857), (342, 60243), (387, 53238), (467, 44118), (513, 40162), (774, 26619), (817, 25218), (934, 22059), (1026, 20081), (1161, 17746), (1401, 14706), (1634, 12609), (2322, 8873), (2451, 8406), (2802, 7353), (4203, 4902)]