20193954

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{251}}^1$

素因数の和:343

約数の個数: 64

約数和(自身を含む): 47029248

約数和(自身を除く): 26835294

約数列:

[1, 2, 3, 6, 11, 22, 23, 33, 46, 53, 66, 69, 106, 138, 159, 251, 253, 318, 502, 506, 583, 753, 759, 1166, 1219, 1506, 1518, 1749, 2438, 2761, 3498, 3657, 5522, 5773, 7314, 8283, 11546, 13303, 13409, 16566, 17319, 26606, 26818, 34638, 39909, 40227, 63503, 79818, 80454, 127006, 146333, 190509, 292666, 305969, 381018, 438999, 611938, 877998, 917907, 1835814, 3365659, 6731318, 10096977, 20193954]

約数ペア:

[(1, 20193954), (2, 10096977), (3, 6731318), (6, 3365659), (11, 1835814), (22, 917907), (23, 877998), (33, 611938), (46, 438999), (53, 381018), (66, 305969), (69, 292666), (106, 190509), (138, 146333), (159, 127006), (251, 80454), (253, 79818), (318, 63503), (502, 40227), (506, 39909), (583, 34638), (753, 26818), (759, 26606), (1166, 17319), (1219, 16566), (1506, 13409), (1518, 13303), (1749, 11546), (2438, 8283), (2761, 7314), (3498, 5773), (3657, 5522)]