20448423684

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2570189}}^1$

素因数の和:2570229

約数の個数: 72

約数和(自身を含む): 58939597080

約数和(自身を除く): 38491173396

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 17, 18, 26, 34, 36, 39, 51, 52, 68, 78, 102, 117, 153, 156, 204, 221, 234, 306, 442, 468, 612, 663, 884, 1326, 1989, 2652, 3978, 7956, 2570189, 5140378, 7710567, 10280756, 15421134, 23131701, 30842268, 33412457, 43693213, 46263402, 66824914, 87386426, 92526804, 100237371, 131079639, 133649828, 174772852, 200474742, 262159278, 300712113, 393238917, 400949484, 524318556, 568011769, 601424226, 786477834, 1136023538, 1202848452, 1572955668, 1704035307, 2272047076, 3408070614, 5112105921, 6816141228, 10224211842, 20448423684]

約数ペア:

[(1, 20448423684), (2, 10224211842), (3, 6816141228), (4, 5112105921), (6, 3408070614), (9, 2272047076), (12, 1704035307), (13, 1572955668), (17, 1202848452), (18, 1136023538), (26, 786477834), (34, 601424226), (36, 568011769), (39, 524318556), (51, 400949484), (52, 393238917), (68, 300712113), (78, 262159278), (102, 200474742), (117, 174772852), (153, 133649828), (156, 131079639), (204, 100237371), (221, 92526804), (234, 87386426), (306, 66824914), (442, 46263402), (468, 43693213), (612, 33412457), (663, 30842268), (884, 23131701), (1326, 15421134), (1989, 10280756), (2652, 7710567), (3978, 5140378), (7956, 2570189)]