20504647563

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{491}}^1\times {\mathrm{607}}^1$

素因数の和:1208

約数の個数: 64

約数和(自身を含む): 31014420480

約数和(自身を除く): 10509772917

約数列:

[1, 3, 17, 19, 51, 57, 71, 213, 323, 491, 607, 969, 1207, 1349, 1473, 1821, 3621, 4047, 8347, 9329, 10319, 11533, 22933, 25041, 27987, 30957, 34599, 34861, 43097, 68799, 104583, 129291, 158593, 196061, 298037, 475779, 588183, 592637, 662359, 732649, 818843, 894111, 1777911, 1987077, 2197947, 2456529, 5066629, 5662703, 11260103, 13920331, 15199887, 16988109, 21160627, 33780309, 41760993, 63481881, 96265951, 288797853, 359730659, 402051913, 1079191977, 1206155739, 6834882521, 20504647563]

約数ペア:

[(1, 20504647563), (3, 6834882521), (17, 1206155739), (19, 1079191977), (51, 402051913), (57, 359730659), (71, 288797853), (213, 96265951), (323, 63481881), (491, 41760993), (607, 33780309), (969, 21160627), (1207, 16988109), (1349, 15199887), (1473, 13920331), (1821, 11260103), (3621, 5662703), (4047, 5066629), (8347, 2456529), (9329, 2197947), (10319, 1987077), (11533, 1777911), (22933, 894111), (25041, 818843), (27987, 732649), (30957, 662359), (34599, 592637), (34861, 588183), (43097, 475779), (68799, 298037), (104583, 196061), (129291, 158593)]