20492706

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1$

素因数の和:211

約数の個数: 64

約数和(自身を含む): 46247040

約数和(自身を除く): 25754334

約数列:

[1, 2, 3, 6, 13, 26, 39, 59, 61, 73, 78, 118, 122, 146, 177, 183, 219, 354, 366, 438, 767, 793, 949, 1534, 1586, 1898, 2301, 2379, 2847, 3599, 4307, 4453, 4602, 4758, 5694, 7198, 8614, 8906, 10797, 12921, 13359, 21594, 25842, 26718, 46787, 55991, 57889, 93574, 111982, 115778, 140361, 167973, 173667, 262727, 280722, 335946, 347334, 525454, 788181, 1576362, 3415451, 6830902, 10246353, 20492706]

約数ペア:

[(1, 20492706), (2, 10246353), (3, 6830902), (6, 3415451), (13, 1576362), (26, 788181), (39, 525454), (59, 347334), (61, 335946), (73, 280722), (78, 262727), (118, 173667), (122, 167973), (146, 140361), (177, 115778), (183, 111982), (219, 93574), (354, 57889), (366, 55991), (438, 46787), (767, 26718), (793, 25842), (949, 21594), (1534, 13359), (1586, 12921), (1898, 10797), (2301, 8906), (2379, 8614), (2847, 7198), (3599, 5694), (4307, 4758), (4453, 4602)]