20522484970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{1093}}^1\times {\mathrm{1489}}^1$

素因数の和:2699

約数の個数: 64

約数和(自身を含む): 40255961760

約数和(自身を除く): 19733476790

約数列:

[1, 2, 5, 10, 13, 26, 65, 97, 130, 194, 485, 970, 1093, 1261, 1489, 2186, 2522, 2978, 5465, 6305, 7445, 10930, 12610, 14209, 14890, 19357, 28418, 38714, 71045, 96785, 106021, 142090, 144433, 193570, 212042, 288866, 530105, 722165, 1060210, 1378273, 1444330, 1627477, 1877629, 2756546, 3254954, 3755258, 6891365, 8137385, 9388145, 13782730, 16274770, 18776290, 21157201, 42314402, 105786005, 157865269, 211572010, 315730538, 789326345, 1578652690, 2052248497, 4104496994, 10261242485, 20522484970]

約数ペア:

[(1, 20522484970), (2, 10261242485), (5, 4104496994), (10, 2052248497), (13, 1578652690), (26, 789326345), (65, 315730538), (97, 211572010), (130, 157865269), (194, 105786005), (485, 42314402), (970, 21157201), (1093, 18776290), (1261, 16274770), (1489, 13782730), (2186, 9388145), (2522, 8137385), (2978, 6891365), (5465, 3755258), (6305, 3254954), (7445, 2756546), (10930, 1877629), (12610, 1627477), (14209, 1444330), (14890, 1378273), (19357, 1060210), (28418, 722165), (38714, 530105), (71045, 288866), (96785, 212042), (106021, 193570), (142090, 144433)]