20805600818

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{311}}^1\times {\mathrm{563}}^1$

素因数の和:1007

約数の個数: 64

約数和(自身を含む): 34208179200

約数和(自身を除く): 13402578382

約数列:

[1, 2, 19, 38, 53, 59, 106, 118, 311, 563, 622, 1007, 1121, 1126, 2014, 2242, 3127, 5909, 6254, 10697, 11818, 16483, 18349, 21394, 29839, 32966, 33217, 36698, 59413, 59678, 66434, 118826, 175093, 313177, 348631, 350186, 566941, 626354, 631123, 697262, 972497, 1133882, 1262246, 1760501, 1944994, 3326767, 3521002, 6653534, 9279929, 10330487, 18477443, 18559858, 20660974, 33449519, 36954886, 66899038, 176318651, 196279253, 352637302, 392558506, 547515811, 1095031622, 10402800409, 20805600818]

約数ペア:

[(1, 20805600818), (2, 10402800409), (19, 1095031622), (38, 547515811), (53, 392558506), (59, 352637302), (106, 196279253), (118, 176318651), (311, 66899038), (563, 36954886), (622, 33449519), (1007, 20660974), (1121, 18559858), (1126, 18477443), (2014, 10330487), (2242, 9279929), (3127, 6653534), (5909, 3521002), (6254, 3326767), (10697, 1944994), (11818, 1760501), (16483, 1262246), (18349, 1133882), (21394, 972497), (29839, 697262), (32966, 631123), (33217, 626354), (36698, 566941), (59413, 350186), (59678, 348631), (66434, 313177), (118826, 175093)]