20161937172

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{295751}}^1$

素因数の和:295813

約数の個数: 96

約数和(自身を含む): 55648696320

約数和(自身を除く): 35486759148

約数列:

[1, 2, 3, 4, 6, 12, 13, 19, 23, 26, 38, 39, 46, 52, 57, 69, 76, 78, 92, 114, 138, 156, 228, 247, 276, 299, 437, 494, 598, 741, 874, 897, 988, 1196, 1311, 1482, 1748, 1794, 2622, 2964, 3588, 5244, 5681, 11362, 17043, 22724, 34086, 68172, 295751, 591502, 887253, 1183004, 1774506, 3549012, 3844763, 5619269, 6802273, 7689526, 11238538, 11534289, 13604546, 15379052, 16857807, 20406819, 22477076, 23068578, 27209092, 33715614, 40813638, 46137156, 67431228, 73050497, 81627276, 88429549, 129243187, 146100994, 176859098, 219151491, 258486374, 265288647, 292201988, 353718196, 387729561, 438302982, 516972748, 530577294, 775459122, 876605964, 1061154588, 1550918244, 1680161431, 3360322862, 5040484293, 6720645724, 10080968586, 20161937172]

約数ペア:

[(1, 20161937172), (2, 10080968586), (3, 6720645724), (4, 5040484293), (6, 3360322862), (12, 1680161431), (13, 1550918244), (19, 1061154588), (23, 876605964), (26, 775459122), (38, 530577294), (39, 516972748), (46, 438302982), (52, 387729561), (57, 353718196), (69, 292201988), (76, 265288647), (78, 258486374), (92, 219151491), (114, 176859098), (138, 146100994), (156, 129243187), (228, 88429549), (247, 81627276), (276, 73050497), (299, 67431228), (437, 46137156), (494, 40813638), (598, 33715614), (741, 27209092), (874, 23068578), (897, 22477076), (988, 20406819), (1196, 16857807), (1311, 15379052), (1482, 13604546), (1748, 11534289), (1794, 11238538), (2622, 7689526), (2964, 6802273), (3588, 5619269), (5244, 3844763), (5681, 3549012), (11362, 1774506), (17043, 1183004), (22724, 887253), (34086, 591502), (68172, 295751)]