20120406579

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{522703}}^1$

素因数の和:522776

約数の個数: 48

約数和(自身を含む): 36530737152

約数和(自身を除く): 16410330573

約数列:

[1, 3, 7, 9, 13, 21, 39, 47, 63, 91, 117, 141, 273, 329, 423, 611, 819, 987, 1833, 2961, 4277, 5499, 12831, 38493, 522703, 1568109, 3658921, 4704327, 6795139, 10976763, 20385417, 24567041, 32930289, 47565973, 61156251, 73701123, 142697919, 171969287, 221103369, 319371533, 428093757, 515907861, 958114599, 1547723583, 2235600731, 2874343797, 6706802193, 20120406579]

約数ペア:

[(1, 20120406579), (3, 6706802193), (7, 2874343797), (9, 2235600731), (13, 1547723583), (21, 958114599), (39, 515907861), (47, 428093757), (63, 319371533), (91, 221103369), (117, 171969287), (141, 142697919), (273, 73701123), (329, 61156251), (423, 47565973), (611, 32930289), (819, 24567041), (987, 20385417), (1833, 10976763), (2961, 6795139), (4277, 4704327), (5499, 3658921), (12831, 1568109), (38493, 522703)]