20067075

素因数分解:

$3^3\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1$

素因数の和:194

約数の個数: 96

約数和(自身を含む): 43806720

約数和(自身を除く): 23739645

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 27, 31, 35, 45, 63, 75, 93, 105, 135, 137, 155, 175, 189, 217, 225, 279, 315, 411, 465, 525, 651, 675, 685, 775, 837, 945, 959, 1085, 1233, 1395, 1575, 1953, 2055, 2325, 2877, 3255, 3425, 3699, 4185, 4247, 4725, 4795, 5425, 5859, 6165, 6975, 8631, 9765, 10275, 12741, 14385, 16275, 18495, 20925, 21235, 23975, 25893, 29295, 29729, 30825, 38223, 43155, 48825, 63705, 71925, 89187, 92475, 106175, 114669, 129465, 146475, 148645, 191115, 215775, 267561, 318525, 445935, 573345, 647325, 743225, 802683, 955575, 1337805, 2229675, 2866725, 4013415, 6689025, 20067075]

約数ペア:

[(1, 20067075), (3, 6689025), (5, 4013415), (7, 2866725), (9, 2229675), (15, 1337805), (21, 955575), (25, 802683), (27, 743225), (31, 647325), (35, 573345), (45, 445935), (63, 318525), (75, 267561), (93, 215775), (105, 191115), (135, 148645), (137, 146475), (155, 129465), (175, 114669), (189, 106175), (217, 92475), (225, 89187), (279, 71925), (315, 63705), (411, 48825), (465, 43155), (525, 38223), (651, 30825), (675, 29729), (685, 29295), (775, 25893), (837, 23975), (945, 21235), (959, 20925), (1085, 18495), (1233, 16275), (1395, 14385), (1575, 12741), (1953, 10275), (2055, 9765), (2325, 8631), (2877, 6975), (3255, 6165), (3425, 5859), (3699, 5425), (4185, 4795), (4247, 4725)]