20177946

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:156

約数の個数: 96

約数和(自身を含む): 50139648

約数和(自身を除く): 29961702

約数列:

[1, 2, 3, 6, 9, 17, 18, 23, 34, 46, 47, 51, 61, 69, 94, 102, 122, 138, 141, 153, 183, 207, 282, 306, 366, 391, 414, 423, 549, 782, 799, 846, 1037, 1081, 1098, 1173, 1403, 1598, 2074, 2162, 2346, 2397, 2806, 2867, 3111, 3243, 3519, 4209, 4794, 5734, 6222, 6486, 7038, 7191, 8418, 8601, 9333, 9729, 12627, 14382, 17202, 18377, 18666, 19458, 23851, 25254, 25803, 36754, 47702, 48739, 51606, 55131, 65941, 71553, 97478, 110262, 131882, 143106, 146217, 165393, 197823, 214659, 292434, 330786, 395646, 429318, 438651, 593469, 877302, 1120997, 1186938, 2241994, 3362991, 6725982, 10088973, 20177946]

約数ペア:

[(1, 20177946), (2, 10088973), (3, 6725982), (6, 3362991), (9, 2241994), (17, 1186938), (18, 1120997), (23, 877302), (34, 593469), (46, 438651), (47, 429318), (51, 395646), (61, 330786), (69, 292434), (94, 214659), (102, 197823), (122, 165393), (138, 146217), (141, 143106), (153, 131882), (183, 110262), (207, 97478), (282, 71553), (306, 65941), (366, 55131), (391, 51606), (414, 48739), (423, 47702), (549, 36754), (782, 25803), (799, 25254), (846, 23851), (1037, 19458), (1081, 18666), (1098, 18377), (1173, 17202), (1403, 14382), (1598, 12627), (2074, 9729), (2162, 9333), (2346, 8601), (2397, 8418), (2806, 7191), (2867, 7038), (3111, 6486), (3243, 6222), (3519, 5734), (4209, 4794)]